64856896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 139857480

約数和(自身を除く): 75000584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 137, 208, 274, 416, 548, 569, 832, 1096, 1138, 1781, 2192, 2276, 3562, 4384, 4552, 7124, 7397, 8768, 9104, 14248, 14794, 18208, 28496, 29588, 36416, 56992, 59176, 77953, 113984, 118352, 155906, 236704, 311812, 473408, 623624, 1013389, 1247248, 2026778, 2494496, 4053556, 4988992, 8107112, 16214224, 32428448, 64856896]

約数ペア:

[(1, 64856896), (2, 32428448), (4, 16214224), (8, 8107112), (13, 4988992), (16, 4053556), (26, 2494496), (32, 2026778), (52, 1247248), (64, 1013389), (104, 623624), (137, 473408), (208, 311812), (274, 236704), (416, 155906), (548, 118352), (569, 113984), (832, 77953), (1096, 59176), (1138, 56992), (1781, 36416), (2192, 29588), (2276, 28496), (3562, 18208), (4384, 14794), (4552, 14248), (7124, 9104), (7397, 8768)]