28363390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 60238080

約数和(自身を除く): 31874690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 41, 55, 82, 95, 110, 190, 205, 209, 331, 410, 418, 451, 662, 779, 902, 1045, 1558, 1655, 2090, 2255, 3310, 3641, 3895, 4510, 6289, 7282, 7790, 8569, 12578, 13571, 17138, 18205, 27142, 31445, 36410, 42845, 62890, 67855, 69179, 85690, 135710, 138358, 149281, 257849, 298562, 345895, 515698, 691790, 746405, 1289245, 1492810, 2578490, 2836339, 5672678, 14181695, 28363390]

約数ペア:

[(1, 28363390), (2, 14181695), (5, 5672678), (10, 2836339), (11, 2578490), (19, 1492810), (22, 1289245), (38, 746405), (41, 691790), (55, 515698), (82, 345895), (95, 298562), (110, 257849), (190, 149281), (205, 138358), (209, 135710), (331, 85690), (410, 69179), (418, 67855), (451, 62890), (662, 42845), (779, 36410), (902, 31445), (1045, 27142), (1558, 18205), (1655, 17138), (2090, 13571), (2255, 12578), (3310, 8569), (3641, 7790), (3895, 7282), (4510, 6289)]