401099504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 465095056

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 89, 94, 104, 178, 188, 208, 356, 376, 461, 611, 712, 752, 922, 1157, 1222, 1424, 1844, 2314, 2444, 3688, 4183, 4628, 4888, 5993, 7376, 8366, 9256, 9776, 11986, 16732, 18512, 21667, 23972, 33464, 41029, 43334, 47944, 54379, 66928, 82058, 86668, 95888, 108758, 164116, 173336, 217516, 281671, 328232, 346672, 435032, 533377, 563342, 656464, 870064, 1066754, 1126684, 1928363, 2133508, 2253368, 3856726, 4267016, 4506736, 7713452, 8534032, 15426904, 25068719, 30853808, 50137438, 100274876, 200549752, 401099504]

約数ペア:

[(1, 401099504), (2, 200549752), (4, 100274876), (8, 50137438), (13, 30853808), (16, 25068719), (26, 15426904), (47, 8534032), (52, 7713452), (89, 4506736), (94, 4267016), (104, 3856726), (178, 2253368), (188, 2133508), (208, 1928363), (356, 1126684), (376, 1066754), (461, 870064), (611, 656464), (712, 563342), (752, 533377), (922, 435032), (1157, 346672), (1222, 328232), (1424, 281671), (1844, 217516), (2314, 173336), (2444, 164116), (3688, 108758), (4183, 95888), (4628, 86668), (4888, 82058), (5993, 66928), (7376, 54379), (8366, 47944), (9256, 43334), (9776, 41029), (11986, 33464), (16732, 23972), (18512, 21667)]