1520796784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{384817}}^1$

素因数の和:384857

約数の個数: 40

約数和(自身を含む): 3340220240

約数和(自身を除く): 1819423456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 384817, 769634, 1539268, 3078536, 5002621, 6157072, 7311523, 10005242, 14623046, 20010484, 29246092, 40020968, 58492184, 80041936, 95049799, 116984368, 190099598, 380199196, 760398392, 1520796784]

約数ペア:

[(1, 1520796784), (2, 760398392), (4, 380199196), (8, 190099598), (13, 116984368), (16, 95049799), (19, 80041936), (26, 58492184), (38, 40020968), (52, 29246092), (76, 20010484), (104, 14623046), (152, 10005242), (208, 7311523), (247, 6157072), (304, 5002621), (494, 3078536), (988, 1539268), (1976, 769634), (3952, 384817)]