30685928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 72078720

約数和(自身を除く): 41392792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 691, 728, 793, 854, 1382, 1586, 1708, 2764, 3172, 3416, 4837, 5528, 5551, 6344, 8983, 9674, 11102, 17966, 19348, 22204, 35932, 38696, 42151, 44408, 62881, 71864, 84302, 125762, 168604, 251524, 295057, 337208, 503048, 547963, 590114, 1095926, 1180228, 2191852, 2360456, 3835741, 4383704, 7671482, 15342964, 30685928]

約数ペア:

[(1, 30685928), (2, 15342964), (4, 7671482), (7, 4383704), (8, 3835741), (13, 2360456), (14, 2191852), (26, 1180228), (28, 1095926), (52, 590114), (56, 547963), (61, 503048), (91, 337208), (104, 295057), (122, 251524), (182, 168604), (244, 125762), (364, 84302), (427, 71864), (488, 62881), (691, 44408), (728, 42151), (793, 38696), (854, 35932), (1382, 22204), (1586, 19348), (1708, 17966), (2764, 11102), (3172, 9674), (3416, 8983), (4837, 6344), (5528, 5551)]