291217828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2657}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 578721024

約数和(自身を除く): 287503196

約数列:

[1, 2, 4, 11, 22, 44, 47, 53, 94, 106, 188, 212, 517, 583, 1034, 1166, 2068, 2332, 2491, 2657, 4982, 5314, 9964, 10628, 27401, 29227, 54802, 58454, 109604, 116908, 124879, 140821, 249758, 281642, 499516, 563284, 1373669, 1549031, 2747338, 3098062, 5494676, 6196124, 6618587, 13237174, 26474348, 72804457, 145608914, 291217828]

約数ペア:

[(1, 291217828), (2, 145608914), (4, 72804457), (11, 26474348), (22, 13237174), (44, 6618587), (47, 6196124), (53, 5494676), (94, 3098062), (106, 2747338), (188, 1549031), (212, 1373669), (517, 563284), (583, 499516), (1034, 281642), (1166, 249758), (2068, 140821), (2332, 124879), (2491, 116908), (2657, 109604), (4982, 58454), (5314, 54802), (9964, 29227), (10628, 27401)]