331399870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 665127936

約数和(自身を除く): 333728066

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 131, 170, 230, 262, 391, 647, 655, 782, 1294, 1310, 1955, 2227, 3013, 3235, 3910, 4454, 6026, 6470, 10999, 11135, 14881, 15065, 21998, 22270, 29762, 30130, 51221, 54995, 74405, 84757, 102442, 109990, 148810, 169514, 252977, 256105, 423785, 505954, 512210, 847570, 1264885, 1440869, 1949411, 2529770, 2881738, 3898822, 7204345, 9747055, 14408690, 19494110, 33139987, 66279974, 165699935, 331399870]

約数ペア:

[(1, 331399870), (2, 165699935), (5, 66279974), (10, 33139987), (17, 19494110), (23, 14408690), (34, 9747055), (46, 7204345), (85, 3898822), (115, 2881738), (131, 2529770), (170, 1949411), (230, 1440869), (262, 1264885), (391, 847570), (647, 512210), (655, 505954), (782, 423785), (1294, 256105), (1310, 252977), (1955, 169514), (2227, 148810), (3013, 109990), (3235, 102442), (3910, 84757), (4454, 74405), (6026, 54995), (6470, 51221), (10999, 30130), (11135, 29762), (14881, 22270), (15065, 21998)]