66971905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13381}}^1$

素因数の和:13417

約数の個数: 32

約数和(自身を含む): 107912448

約数和(自身を除く): 40940543

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 13381, 66905, 93667, 147191, 173953, 468335, 735955, 869765, 1030337, 1217671, 1913483, 5151685, 6088355, 9567415, 13394381, 66971905]

約数ペア:

[(1, 66971905), (5, 13394381), (7, 9567415), (11, 6088355), (13, 5151685), (35, 1913483), (55, 1217671), (65, 1030337), (77, 869765), (91, 735955), (143, 468335), (385, 173953), (455, 147191), (715, 93667), (1001, 66905), (5005, 13381)]