685909744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193979}}^1$

素因数の和:194017

約数の個数: 40

約数和(自身を含む): 1515371760

約数和(自身を除く): 829462016

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 193979, 387958, 775916, 1551832, 2521727, 3103664, 3297643, 5043454, 6595286, 10086908, 13190572, 20173816, 26381144, 40347632, 42869359, 52762288, 85738718, 171477436, 342954872, 685909744]

約数ペア:

[(1, 685909744), (2, 342954872), (4, 171477436), (8, 85738718), (13, 52762288), (16, 42869359), (17, 40347632), (26, 26381144), (34, 20173816), (52, 13190572), (68, 10086908), (104, 6595286), (136, 5043454), (208, 3297643), (221, 3103664), (272, 2521727), (442, 1551832), (884, 775916), (1768, 387958), (3536, 193979)]