2720399668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{66683}}^1$

素因数の和:66772

約数の個数: 48

約数和(自身を含む): 5735890944

約数和(自身を除く): 3015491276

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 658, 868, 1316, 1457, 2914, 5828, 10199, 20398, 40796, 66683, 133366, 266732, 466781, 933562, 1867124, 2067173, 3134101, 4134346, 6268202, 8268692, 12536404, 14470211, 21938707, 28940422, 43877414, 57880844, 87754828, 97157131, 194314262, 388628524, 680099917, 1360199834, 2720399668]

約数ペア:

[(1, 2720399668), (2, 1360199834), (4, 680099917), (7, 388628524), (14, 194314262), (28, 97157131), (31, 87754828), (47, 57880844), (62, 43877414), (94, 28940422), (124, 21938707), (188, 14470211), (217, 12536404), (329, 8268692), (434, 6268202), (658, 4134346), (868, 3134101), (1316, 2067173), (1457, 1867124), (2914, 933562), (5828, 466781), (10199, 266732), (20398, 133366), (40796, 66683)]