78253784

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 172675800

約数和(自身を除く): 94422016

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 623, 712, 1246, 2243, 2492, 4361, 4486, 4984, 8722, 8972, 15701, 17444, 17944, 31402, 34888, 62804, 109907, 125608, 199627, 219814, 399254, 439628, 798508, 879256, 1397389, 1597016, 2794778, 5589556, 9781723, 11179112, 19563446, 39126892, 78253784]

約数ペア:

[(1, 78253784), (2, 39126892), (4, 19563446), (7, 11179112), (8, 9781723), (14, 5589556), (28, 2794778), (49, 1597016), (56, 1397389), (89, 879256), (98, 798508), (178, 439628), (196, 399254), (356, 219814), (392, 199627), (623, 125608), (712, 109907), (1246, 62804), (2243, 34888), (2492, 31402), (4361, 17944), (4486, 17444), (4984, 15701), (8722, 8972)]