561121984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20117

約数の個数: 56

約数和(自身を含む): 1223101440

約数和(自身を除く): 661979456

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 3496, 6992, 13984, 20063, 27968, 40126, 80252, 160504, 321008, 381197, 461449, 642016, 762394, 922898, 1284032, 1524788, 1845796, 3049576, 3691592, 6099152, 7383184, 8767531, 12198304, 14766368, 17535062, 24396608, 29532736, 35070124, 70140248, 140280496, 280560992, 561121984]

約数ペア:

[(1, 561121984), (2, 280560992), (4, 140280496), (8, 70140248), (16, 35070124), (19, 29532736), (23, 24396608), (32, 17535062), (38, 14766368), (46, 12198304), (64, 8767531), (76, 7383184), (92, 6099152), (152, 3691592), (184, 3049576), (304, 1845796), (368, 1524788), (437, 1284032), (608, 922898), (736, 762394), (874, 642016), (1216, 461449), (1472, 381197), (1748, 321008), (3496, 160504), (6992, 80252), (13984, 40126), (20063, 27968)]