81560416

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 191987712

約数和(自身を除く): 110427296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 61, 94, 112, 122, 127, 188, 224, 244, 254, 329, 376, 427, 488, 508, 658, 752, 854, 889, 976, 1016, 1316, 1504, 1708, 1778, 1952, 2032, 2632, 2867, 3416, 3556, 4064, 5264, 5734, 5969, 6832, 7112, 7747, 10528, 11468, 11938, 13664, 14224, 15494, 20069, 22936, 23876, 28448, 30988, 40138, 41783, 45872, 47752, 54229, 61976, 80276, 83566, 91744, 95504, 108458, 123952, 160552, 167132, 191008, 216916, 247904, 321104, 334264, 364109, 433832, 642208, 668528, 728218, 867664, 1337056, 1456436, 1735328, 2548763, 2912872, 5097526, 5825744, 10195052, 11651488, 20390104, 40780208, 81560416]

約数ペア:

[(1, 81560416), (2, 40780208), (4, 20390104), (7, 11651488), (8, 10195052), (14, 5825744), (16, 5097526), (28, 2912872), (32, 2548763), (47, 1735328), (56, 1456436), (61, 1337056), (94, 867664), (112, 728218), (122, 668528), (127, 642208), (188, 433832), (224, 364109), (244, 334264), (254, 321104), (329, 247904), (376, 216916), (427, 191008), (488, 167132), (508, 160552), (658, 123952), (752, 108458), (854, 95504), (889, 91744), (976, 83566), (1016, 80276), (1316, 61976), (1504, 54229), (1708, 47752), (1778, 45872), (1952, 41783), (2032, 40138), (2632, 30988), (2867, 28448), (3416, 23876), (3556, 22936), (4064, 20069), (5264, 15494), (5734, 14224), (5969, 13664), (6832, 11938), (7112, 11468), (7747, 10528)]