71815716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 222243840

約数和(自身を除く): 150428124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 31, 36, 42, 58, 62, 63, 84, 87, 93, 116, 124, 126, 174, 186, 203, 217, 252, 261, 279, 317, 348, 372, 406, 434, 522, 558, 609, 634, 651, 812, 868, 899, 951, 1044, 1116, 1218, 1268, 1302, 1798, 1827, 1902, 1953, 2219, 2436, 2604, 2697, 2853, 3596, 3654, 3804, 3906, 4438, 5394, 5706, 6293, 6657, 7308, 7812, 8091, 8876, 9193, 9827, 10788, 11412, 12586, 13314, 16182, 18386, 18879, 19654, 19971, 25172, 26628, 27579, 29481, 32364, 36772, 37758, 39308, 39942, 55158, 56637, 58962, 64351, 68789, 75516, 79884, 82737, 88443, 110316, 113274, 117924, 128702, 137578, 165474, 176886, 193053, 206367, 226548, 257404, 275156, 284983, 330948, 353772, 386106, 412734, 569966, 579159, 619101, 772212, 825468, 854949, 1139932, 1158318, 1238202, 1709898, 1994881, 2316636, 2476404, 2564847, 3419796, 3989762, 5129694, 5984643, 7979524, 10259388, 11969286, 17953929, 23938572, 35907858, 71815716]

約数ペア:

[(1, 71815716), (2, 35907858), (3, 23938572), (4, 17953929), (6, 11969286), (7, 10259388), (9, 7979524), (12, 5984643), (14, 5129694), (18, 3989762), (21, 3419796), (28, 2564847), (29, 2476404), (31, 2316636), (36, 1994881), (42, 1709898), (58, 1238202), (62, 1158318), (63, 1139932), (84, 854949), (87, 825468), (93, 772212), (116, 619101), (124, 579159), (126, 569966), (174, 412734), (186, 386106), (203, 353772), (217, 330948), (252, 284983), (261, 275156), (279, 257404), (317, 226548), (348, 206367), (372, 193053), (406, 176886), (434, 165474), (522, 137578), (558, 128702), (609, 117924), (634, 113274), (651, 110316), (812, 88443), (868, 82737), (899, 79884), (951, 75516), (1044, 68789), (1116, 64351), (1218, 58962), (1268, 56637), (1302, 55158), (1798, 39942), (1827, 39308), (1902, 37758), (1953, 36772), (2219, 32364), (2436, 29481), (2604, 27579), (2697, 26628), (2853, 25172), (3596, 19971), (3654, 19654), (3804, 18879), (3906, 18386), (4438, 16182), (5394, 13314), (5706, 12586), (6293, 11412), (6657, 10788), (7308, 9827), (7812, 9193), (8091, 8876)]