63998984

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21563}}^1$

素因数の和:21629

約数の個数: 32

約数和(自身を含む): 139734720

約数和(自身を除く): 75735736

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 21563, 43126, 86252, 150941, 172504, 301882, 603764, 1142839, 1207528, 2285678, 4571356, 7999873, 9142712, 15999746, 31999492, 63998984]

約数ペア:

[(1, 63998984), (2, 31999492), (4, 15999746), (7, 9142712), (8, 7999873), (14, 4571356), (28, 2285678), (53, 1207528), (56, 1142839), (106, 603764), (212, 301882), (371, 172504), (424, 150941), (742, 86252), (1484, 43126), (2968, 21563)]