64231856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16253}}^1$

素因数の和:16293

約数の個数: 40

約数和(自身を含む): 141084720

約数和(自身を除く): 76852864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16253, 32506, 65012, 130024, 211289, 260048, 308807, 422578, 617614, 845156, 1235228, 1690312, 2470456, 3380624, 4014491, 4940912, 8028982, 16057964, 32115928, 64231856]

約数ペア:

[(1, 64231856), (2, 32115928), (4, 16057964), (8, 8028982), (13, 4940912), (16, 4014491), (19, 3380624), (26, 2470456), (38, 1690312), (52, 1235228), (76, 845156), (104, 617614), (152, 422578), (208, 308807), (247, 260048), (304, 211289), (494, 130024), (988, 65012), (1976, 32506), (3952, 16253)]