64427870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 127675440

約数和(自身を除く): 63247570

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 335, 338, 569, 670, 845, 871, 1138, 1690, 1742, 2845, 4355, 5690, 7397, 8710, 11323, 14794, 22646, 36985, 38123, 56615, 73970, 76246, 96161, 113230, 190615, 192322, 381230, 480805, 495599, 961610, 991198, 2477995, 4955990, 6442787, 12885574, 32213935, 64427870]

約数ペア:

[(1, 64427870), (2, 32213935), (5, 12885574), (10, 6442787), (13, 4955990), (26, 2477995), (65, 991198), (67, 961610), (130, 495599), (134, 480805), (169, 381230), (335, 192322), (338, 190615), (569, 113230), (670, 96161), (845, 76246), (871, 73970), (1138, 56615), (1690, 38123), (1742, 36985), (2845, 22646), (4355, 14794), (5690, 11323), (7397, 8710)]