28581264

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 84494592

約数和(自身を除く): 55913328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 47, 48, 72, 82, 94, 103, 123, 141, 144, 164, 188, 206, 246, 282, 309, 328, 369, 376, 412, 423, 492, 564, 618, 656, 738, 752, 824, 846, 927, 984, 1128, 1236, 1476, 1648, 1692, 1854, 1927, 1968, 2256, 2472, 2952, 3384, 3708, 3854, 4223, 4841, 4944, 5781, 5904, 6768, 7416, 7708, 8446, 9682, 11562, 12669, 14523, 14832, 15416, 16892, 17343, 19364, 23124, 25338, 29046, 30832, 33784, 34686, 38007, 38728, 43569, 46248, 50676, 58092, 67568, 69372, 76014, 77456, 87138, 92496, 101352, 116184, 138744, 152028, 174276, 198481, 202704, 232368, 277488, 304056, 348552, 396962, 595443, 608112, 697104, 793924, 1190886, 1587848, 1786329, 2381772, 3175696, 3572658, 4763544, 7145316, 9527088, 14290632, 28581264]

約数ペア:

[(1, 28581264), (2, 14290632), (3, 9527088), (4, 7145316), (6, 4763544), (8, 3572658), (9, 3175696), (12, 2381772), (16, 1786329), (18, 1587848), (24, 1190886), (36, 793924), (41, 697104), (47, 608112), (48, 595443), (72, 396962), (82, 348552), (94, 304056), (103, 277488), (123, 232368), (141, 202704), (144, 198481), (164, 174276), (188, 152028), (206, 138744), (246, 116184), (282, 101352), (309, 92496), (328, 87138), (369, 77456), (376, 76014), (412, 69372), (423, 67568), (492, 58092), (564, 50676), (618, 46248), (656, 43569), (738, 38728), (752, 38007), (824, 34686), (846, 33784), (927, 30832), (984, 29046), (1128, 25338), (1236, 23124), (1476, 19364), (1648, 17343), (1692, 16892), (1854, 15416), (1927, 14832), (1968, 14523), (2256, 12669), (2472, 11562), (2952, 9682), (3384, 8446), (3708, 7708), (3854, 7416), (4223, 6768), (4841, 5904), (4944, 5781)]