64441010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 118854000

約数和(自身を除く): 54412990

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 709, 745, 1418, 1490, 3545, 7090, 9089, 18178, 43249, 45445, 86498, 90890, 105641, 211282, 216245, 432490, 528205, 1056410, 6444101, 12888202, 32220505, 64441010]

約数ペア:

[(1, 64441010), (2, 32220505), (5, 12888202), (10, 6444101), (61, 1056410), (122, 528205), (149, 432490), (298, 216245), (305, 211282), (610, 105641), (709, 90890), (745, 86498), (1418, 45445), (1490, 43249), (3545, 18178), (7090, 9089)]