64920796

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{44959}}^1$

素因数の和:45001

約数の個数: 18

約数和(自身を含む): 119908320

約数和(自身を除く): 54987524

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 44959, 89918, 179836, 854221, 1708442, 3416884, 16230199, 32460398, 64920796]

約数ペア:

[(1, 64920796), (2, 32460398), (4, 16230199), (19, 3416884), (38, 1708442), (76, 854221), (361, 179836), (722, 89918), (1444, 44959)]