64399790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70769}}^1$

素因数の和:70796

約数の個数: 32

約数和(自身を含む): 142672320

約数和(自身を除く): 78272530

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 70769, 141538, 353845, 495383, 707690, 919997, 990766, 1839994, 2476915, 4599985, 4953830, 6439979, 9199970, 12879958, 32199895, 64399790]

約数ペア:

[(1, 64399790), (2, 32199895), (5, 12879958), (7, 9199970), (10, 6439979), (13, 4953830), (14, 4599985), (26, 2476915), (35, 1839994), (65, 990766), (70, 919997), (91, 707690), (130, 495383), (182, 353845), (455, 141538), (910, 70769)]