31258535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 40

約数和(自身を含む): 47928480

約数和(自身を除く): 16669945

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 121, 305, 385, 427, 605, 671, 847, 1331, 2135, 3355, 4235, 4697, 6655, 7381, 9317, 14641, 23485, 36905, 46585, 51667, 73205, 81191, 102487, 258335, 405955, 512435, 568337, 893101, 2841685, 4465505, 6251707, 31258535]

約数ペア:

[(1, 31258535), (5, 6251707), (7, 4465505), (11, 2841685), (35, 893101), (55, 568337), (61, 512435), (77, 405955), (121, 258335), (305, 102487), (385, 81191), (427, 73205), (605, 51667), (671, 46585), (847, 36905), (1331, 23485), (2135, 14641), (3355, 9317), (4235, 7381), (4697, 6655)]