1640984516

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 2971987200

約数和(自身を除く): 1331002684

約数列:

[1, 2, 4, 53, 106, 139, 212, 233, 239, 278, 466, 478, 556, 932, 956, 7367, 12349, 12667, 14734, 24698, 25334, 29468, 32387, 33221, 49396, 50668, 55687, 64774, 66442, 111374, 129548, 132884, 222748, 1716511, 1760713, 2951411, 3433022, 3521426, 5902822, 6866044, 7042852, 7740493, 11805644, 15480986, 30961972, 410246129, 820492258, 1640984516]

約数ペア:

[(1, 1640984516), (2, 820492258), (4, 410246129), (53, 30961972), (106, 15480986), (139, 11805644), (212, 7740493), (233, 7042852), (239, 6866044), (278, 5902822), (466, 3521426), (478, 3433022), (556, 2951411), (932, 1760713), (956, 1716511), (7367, 222748), (12349, 132884), (12667, 129548), (14734, 111374), (24698, 66442), (25334, 64774), (29468, 55687), (32387, 50668), (33221, 49396)]