1388891776

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2433

約数の個数: 64

約数和(自身を含む): 2849031360

約数和(自身を除く): 1460139584

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 71, 128, 134, 142, 268, 284, 536, 568, 1072, 1136, 2144, 2272, 2281, 4288, 4544, 4562, 4757, 8576, 9088, 9124, 9514, 18248, 19028, 36496, 38056, 72992, 76112, 145984, 152224, 152827, 161951, 291968, 304448, 305654, 323902, 608896, 611308, 647804, 1222616, 1295608, 2445232, 2591216, 4890464, 5182432, 9780928, 10364864, 10850717, 19561856, 20729728, 21701434, 43402868, 86805736, 173611472, 347222944, 694445888, 1388891776]

約数ペア:

[(1, 1388891776), (2, 694445888), (4, 347222944), (8, 173611472), (16, 86805736), (32, 43402868), (64, 21701434), (67, 20729728), (71, 19561856), (128, 10850717), (134, 10364864), (142, 9780928), (268, 5182432), (284, 4890464), (536, 2591216), (568, 2445232), (1072, 1295608), (1136, 1222616), (2144, 647804), (2272, 611308), (2281, 608896), (4288, 323902), (4544, 305654), (4562, 304448), (4757, 291968), (8576, 161951), (9088, 152827), (9124, 152224), (9514, 145984), (18248, 76112), (19028, 72992), (36496, 38056)]