645526855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 823996800

約数和(自身を除く): 178469945

約数列:

[1, 5, 23, 101, 115, 149, 373, 505, 745, 1865, 2323, 3427, 8579, 11615, 15049, 17135, 37673, 42895, 55577, 75245, 188365, 277885, 346127, 866479, 1278271, 1730635, 4332395, 5613277, 6391355, 28066385, 129105371, 645526855]

約数ペア:

[(1, 645526855), (5, 129105371), (23, 28066385), (101, 6391355), (115, 5613277), (149, 4332395), (373, 1730635), (505, 1278271), (745, 866479), (1865, 346127), (2323, 277885), (3427, 188365), (8579, 75245), (11615, 55577), (15049, 42895), (17135, 37673)]