251204408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11131}}^1$

素因数の和:11188

約数の個数: 64

約数和(自身を含む): 598456320

約数和(自身を除く): 347251912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11131, 11284, 22262, 22568, 44524, 77917, 89048, 144703, 155834, 289406, 311668, 345061, 578812, 623336, 690122, 1012921, 1157624, 1380244, 2025842, 2415427, 2760488, 4051684, 4485793, 4830854, 8103368, 8971586, 9661708, 17943172, 19323416, 31400551, 35886344, 62801102, 125602204, 251204408]

約数ペア:

[(1, 251204408), (2, 125602204), (4, 62801102), (7, 35886344), (8, 31400551), (13, 19323416), (14, 17943172), (26, 9661708), (28, 8971586), (31, 8103368), (52, 4830854), (56, 4485793), (62, 4051684), (91, 2760488), (104, 2415427), (124, 2025842), (182, 1380244), (217, 1157624), (248, 1012921), (364, 690122), (403, 623336), (434, 578812), (728, 345061), (806, 311668), (868, 289406), (1612, 155834), (1736, 144703), (2821, 89048), (3224, 77917), (5642, 44524), (11131, 22568), (11284, 22262)]