64293268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20269}}^1$

素因数の和:20347

約数の個数: 24

約数和(自身を含む): 123160520

約数和(自身を除く): 58867252

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 20269, 40538, 81076, 263497, 526994, 1053988, 1236409, 2472818, 4945636, 16073317, 32146634, 64293268]

約数ペア:

[(1, 64293268), (2, 32146634), (4, 16073317), (13, 4945636), (26, 2472818), (52, 1236409), (61, 1053988), (122, 526994), (244, 263497), (793, 81076), (1586, 40538), (3172, 20269)]