645706138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{246641}}^1$

素因数の和:246678

約数の個数: 32

約数和(自身を含む): 1278592128

約数和(自身を除く): 632885990

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 246641, 493282, 1726487, 2713051, 3452974, 4192897, 5426102, 8385794, 18991357, 29350279, 37982714, 46121867, 58700558, 92243734, 322853069, 645706138]

約数ペア:

[(1, 645706138), (2, 322853069), (7, 92243734), (11, 58700558), (14, 46121867), (17, 37982714), (22, 29350279), (34, 18991357), (77, 8385794), (119, 5426102), (154, 4192897), (187, 3452974), (238, 2713051), (374, 1726487), (1309, 493282), (2618, 246641)]