208825136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 456720768

約数和(自身を除く): 247895632

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 47, 52, 82, 94, 104, 164, 188, 208, 328, 376, 521, 533, 611, 656, 752, 1042, 1066, 1222, 1927, 2084, 2132, 2444, 3854, 4168, 4264, 4888, 6773, 7708, 8336, 8528, 9776, 13546, 15416, 21361, 24487, 25051, 27092, 30832, 42722, 48974, 50102, 54184, 85444, 97948, 100204, 108368, 170888, 195896, 200408, 277693, 318331, 341776, 391792, 400816, 555386, 636662, 1003967, 1110772, 1273324, 2007934, 2221544, 2546648, 4015868, 4443088, 5093296, 8031736, 13051571, 16063472, 26103142, 52206284, 104412568, 208825136]

約数ペア:

[(1, 208825136), (2, 104412568), (4, 52206284), (8, 26103142), (13, 16063472), (16, 13051571), (26, 8031736), (41, 5093296), (47, 4443088), (52, 4015868), (82, 2546648), (94, 2221544), (104, 2007934), (164, 1273324), (188, 1110772), (208, 1003967), (328, 636662), (376, 555386), (521, 400816), (533, 391792), (611, 341776), (656, 318331), (752, 277693), (1042, 200408), (1066, 195896), (1222, 170888), (1927, 108368), (2084, 100204), (2132, 97948), (2444, 85444), (3854, 54184), (4168, 50102), (4264, 48974), (4888, 42722), (6773, 30832), (7708, 27092), (8336, 25051), (8528, 24487), (9776, 21361), (13546, 15416)]