1252784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 2760240

約数和(自身を除く): 1507456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 317, 494, 634, 988, 1268, 1976, 2536, 3952, 4121, 5072, 6023, 8242, 12046, 16484, 24092, 32968, 48184, 65936, 78299, 96368, 156598, 313196, 626392, 1252784]

約数ペア:

[(1, 1252784), (2, 626392), (4, 313196), (8, 156598), (13, 96368), (16, 78299), (19, 65936), (26, 48184), (38, 32968), (52, 24092), (76, 16484), (104, 12046), (152, 8242), (208, 6023), (247, 5072), (304, 4121), (317, 3952), (494, 2536), (634, 1976), (988, 1268)]