1440221314

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1\times {\mathrm{2251}}^1$

素因数の和:4270

約数の個数: 32

約数和(自身を含む): 2578738176

約数和(自身を除く): 1138516862

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1987, 2251, 3974, 4502, 13909, 15757, 27818, 31514, 45701, 51773, 91402, 103546, 319907, 362411, 639814, 724822, 4472737, 8945474, 31309159, 62618318, 102872951, 205745902, 720110657, 1440221314]

約数ペア:

[(1, 1440221314), (2, 720110657), (7, 205745902), (14, 102872951), (23, 62618318), (46, 31309159), (161, 8945474), (322, 4472737), (1987, 724822), (2251, 639814), (3974, 362411), (4502, 319907), (13909, 103546), (15757, 91402), (27818, 51773), (31514, 45701)]