131373998

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 236390400

約数和(自身を除く): 105016402

約数列:

[1, 2, 7, 14, 49, 71, 79, 98, 142, 158, 239, 478, 497, 553, 994, 1106, 1673, 3346, 3479, 3871, 5609, 6958, 7742, 11218, 11711, 16969, 18881, 23422, 33938, 37762, 39263, 78526, 118783, 132167, 237566, 264334, 274841, 549682, 831481, 925169, 1340551, 1662962, 1850338, 2681102, 9383857, 18767714, 65686999, 131373998]

約数ペア:

[(1, 131373998), (2, 65686999), (7, 18767714), (14, 9383857), (49, 2681102), (71, 1850338), (79, 1662962), (98, 1340551), (142, 925169), (158, 831481), (239, 549682), (478, 274841), (497, 264334), (553, 237566), (994, 132167), (1106, 118783), (1673, 78526), (3346, 39263), (3479, 37762), (3871, 33938), (5609, 23422), (6958, 18881), (7742, 16969), (11218, 11711)]