66693890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2633}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 128012400

約数和(自身を除く): 61318510

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 2533, 2633, 5066, 5266, 12665, 13165, 25330, 26330, 44761, 89522, 223805, 392317, 447610, 784634, 1961585, 3923170, 6669389, 13338778, 33346945, 66693890]

約数ペア:

[(1, 66693890), (2, 33346945), (5, 13338778), (10, 6669389), (17, 3923170), (34, 1961585), (85, 784634), (149, 447610), (170, 392317), (298, 223805), (745, 89522), (1490, 44761), (2533, 26330), (2633, 25330), (5066, 13165), (5266, 12665)]