647403048

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{68639}}^1$

素因数の和:68782

約数の個数: 48

約数和(自身を含む): 1766793600

約数和(自身を除く): 1119390552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 68639, 137278, 205917, 274556, 411834, 549112, 617751, 823668, 1235502, 1647336, 2471004, 4942008, 8991709, 17983418, 26975127, 35966836, 53950254, 71933672, 80925381, 107900508, 161850762, 215801016, 323701524, 647403048]

約数ペア:

[(1, 647403048), (2, 323701524), (3, 215801016), (4, 161850762), (6, 107900508), (8, 80925381), (9, 71933672), (12, 53950254), (18, 35966836), (24, 26975127), (36, 17983418), (72, 8991709), (131, 4942008), (262, 2471004), (393, 1647336), (524, 1235502), (786, 823668), (1048, 617751), (1179, 549112), (1572, 411834), (2358, 274556), (3144, 205917), (4716, 137278), (9432, 68639)]