1987816908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5209}}^1$

素因数の和:5300

約数の個数: 144

約数和(自身を含む): 5986915200

約数和(自身を除く): 3999098292

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 59, 66, 77, 84, 98, 118, 132, 147, 154, 177, 196, 231, 236, 294, 308, 354, 413, 462, 539, 588, 649, 708, 826, 924, 1078, 1239, 1298, 1617, 1652, 1947, 2156, 2478, 2596, 2891, 3234, 3894, 4543, 4956, 5209, 5782, 6468, 7788, 8673, 9086, 10418, 11564, 13629, 15627, 17346, 18172, 20836, 27258, 31254, 31801, 34692, 36463, 54516, 57299, 62508, 63602, 72926, 95403, 109389, 114598, 127204, 145852, 171897, 190806, 218778, 229196, 255241, 307331, 343794, 381612, 401093, 437556, 510482, 614662, 687588, 765723, 802186, 921993, 1020964, 1203279, 1229324, 1531446, 1604372, 1843986, 2151317, 2406558, 2807651, 3062892, 3380641, 3687972, 4302634, 4813116, 5615302, 6453951, 6761282, 8422953, 8605268, 10141923, 11230604, 12907902, 13522564, 15059219, 16845906, 20283846, 23664487, 25815804, 30118438, 33691812, 40567692, 45177657, 47328974, 60236876, 70993461, 90355314, 94657948, 141986922, 165651409, 180710628, 283973844, 331302818, 496954227, 662605636, 993908454, 1987816908]

約数ペア:

[(1, 1987816908), (2, 993908454), (3, 662605636), (4, 496954227), (6, 331302818), (7, 283973844), (11, 180710628), (12, 165651409), (14, 141986922), (21, 94657948), (22, 90355314), (28, 70993461), (33, 60236876), (42, 47328974), (44, 45177657), (49, 40567692), (59, 33691812), (66, 30118438), (77, 25815804), (84, 23664487), (98, 20283846), (118, 16845906), (132, 15059219), (147, 13522564), (154, 12907902), (177, 11230604), (196, 10141923), (231, 8605268), (236, 8422953), (294, 6761282), (308, 6453951), (354, 5615302), (413, 4813116), (462, 4302634), (539, 3687972), (588, 3380641), (649, 3062892), (708, 2807651), (826, 2406558), (924, 2151317), (1078, 1843986), (1239, 1604372), (1298, 1531446), (1617, 1229324), (1652, 1203279), (1947, 1020964), (2156, 921993), (2478, 802186), (2596, 765723), (2891, 687588), (3234, 614662), (3894, 510482), (4543, 437556), (4956, 401093), (5209, 381612), (5782, 343794), (6468, 307331), (7788, 255241), (8673, 229196), (9086, 218778), (10418, 190806), (11564, 171897), (13629, 145852), (15627, 127204), (17346, 114598), (18172, 109389), (20836, 95403), (27258, 72926), (31254, 63602), (31801, 62508), (34692, 57299), (36463, 54516)]