211787784

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 160

約数和(自身を含む): 660253440

約数和(自身を除く): 448465656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 186, 216, 234, 248, 279, 312, 324, 351, 372, 403, 468, 558, 648, 702, 744, 806, 811, 837, 936, 1053, 1116, 1209, 1404, 1612, 1622, 1674, 2106, 2232, 2418, 2433, 2511, 2808, 3224, 3244, 3348, 3627, 4212, 4836, 4866, 5022, 6488, 6696, 7254, 7299, 8424, 9672, 9732, 10044, 10543, 10881, 14508, 14598, 19464, 20088, 21086, 21762, 21897, 25141, 29016, 29196, 31629, 32643, 42172, 43524, 43794, 50282, 58392, 63258, 65286, 65691, 75423, 84344, 87048, 87588, 94887, 100564, 126516, 130572, 131382, 150846, 175176, 189774, 201128, 226269, 253032, 261144, 262764, 284661, 301692, 326833, 379548, 452538, 525528, 569322, 603384, 653666, 678807, 759096, 853983, 905076, 980499, 1138644, 1307332, 1357614, 1707966, 1810152, 1960998, 2036421, 2277288, 2614664, 2715228, 2941497, 3415932, 3921996, 4072842, 5430456, 5882994, 6831864, 7843992, 8145684, 8824491, 11765988, 16291368, 17648982, 23531976, 26473473, 35297964, 52946946, 70595928, 105893892, 211787784]

約数ペア:

[(1, 211787784), (2, 105893892), (3, 70595928), (4, 52946946), (6, 35297964), (8, 26473473), (9, 23531976), (12, 17648982), (13, 16291368), (18, 11765988), (24, 8824491), (26, 8145684), (27, 7843992), (31, 6831864), (36, 5882994), (39, 5430456), (52, 4072842), (54, 3921996), (62, 3415932), (72, 2941497), (78, 2715228), (81, 2614664), (93, 2277288), (104, 2036421), (108, 1960998), (117, 1810152), (124, 1707966), (156, 1357614), (162, 1307332), (186, 1138644), (216, 980499), (234, 905076), (248, 853983), (279, 759096), (312, 678807), (324, 653666), (351, 603384), (372, 569322), (403, 525528), (468, 452538), (558, 379548), (648, 326833), (702, 301692), (744, 284661), (806, 262764), (811, 261144), (837, 253032), (936, 226269), (1053, 201128), (1116, 189774), (1209, 175176), (1404, 150846), (1612, 131382), (1622, 130572), (1674, 126516), (2106, 100564), (2232, 94887), (2418, 87588), (2433, 87048), (2511, 84344), (2808, 75423), (3224, 65691), (3244, 65286), (3348, 63258), (3627, 58392), (4212, 50282), (4836, 43794), (4866, 43524), (5022, 42172), (6488, 32643), (6696, 31629), (7254, 29196), (7299, 29016), (8424, 25141), (9672, 21897), (9732, 21762), (10044, 21086), (10543, 20088), (10881, 19464), (14508, 14598)]