61371856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 148962688

約数和(自身を除く): 87590832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 691, 728, 793, 854, 976, 1382, 1456, 1586, 1708, 2764, 3172, 3416, 4837, 5528, 5551, 6344, 6832, 8983, 9674, 11056, 11102, 12688, 17966, 19348, 22204, 35932, 38696, 42151, 44408, 62881, 71864, 77392, 84302, 88816, 125762, 143728, 168604, 251524, 295057, 337208, 503048, 547963, 590114, 674416, 1006096, 1095926, 1180228, 2191852, 2360456, 3835741, 4383704, 4720912, 7671482, 8767408, 15342964, 30685928, 61371856]

約数ペア:

[(1, 61371856), (2, 30685928), (4, 15342964), (7, 8767408), (8, 7671482), (13, 4720912), (14, 4383704), (16, 3835741), (26, 2360456), (28, 2191852), (52, 1180228), (56, 1095926), (61, 1006096), (91, 674416), (104, 590114), (112, 547963), (122, 503048), (182, 337208), (208, 295057), (244, 251524), (364, 168604), (427, 143728), (488, 125762), (691, 88816), (728, 84302), (793, 77392), (854, 71864), (976, 62881), (1382, 44408), (1456, 42151), (1586, 38696), (1708, 35932), (2764, 22204), (3172, 19348), (3416, 17966), (4837, 12688), (5528, 11102), (5551, 11056), (6344, 9674), (6832, 8983)]