180866192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1669}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 378335160

約数和(自身を除く): 197468968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 521, 1042, 1669, 2084, 3338, 4168, 6676, 6773, 8336, 13352, 13546, 21697, 26704, 27092, 43394, 54184, 86788, 108368, 173576, 347152, 869549, 1739098, 3478196, 6956392, 11304137, 13912784, 22608274, 45216548, 90433096, 180866192]

約数ペア:

[(1, 180866192), (2, 90433096), (4, 45216548), (8, 22608274), (13, 13912784), (16, 11304137), (26, 6956392), (52, 3478196), (104, 1739098), (208, 869549), (521, 347152), (1042, 173576), (1669, 108368), (2084, 86788), (3338, 54184), (4168, 43394), (6676, 27092), (6773, 26704), (8336, 21697), (13352, 13546)]