1294448896

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12547}}^1$

素因数の和:12607

約数の個数: 72

約数和(自身を含む): 2872588544

約数和(自身を除く): 1578139648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12547, 12896, 25094, 25792, 50188, 51584, 100376, 103168, 163111, 200752, 326222, 388957, 401504, 652444, 777914, 803008, 1304888, 1555828, 1606016, 2609776, 3111656, 3212032, 5056441, 5219552, 6223312, 10112882, 10439104, 12446624, 20225764, 20878208, 24893248, 40451528, 41756416, 49786496, 80903056, 99572992, 161806112, 323612224, 647224448, 1294448896]

約数ペア:

[(1, 1294448896), (2, 647224448), (4, 323612224), (8, 161806112), (13, 99572992), (16, 80903056), (26, 49786496), (31, 41756416), (32, 40451528), (52, 24893248), (62, 20878208), (64, 20225764), (104, 12446624), (124, 10439104), (128, 10112882), (208, 6223312), (248, 5219552), (256, 5056441), (403, 3212032), (416, 3111656), (496, 2609776), (806, 1606016), (832, 1555828), (992, 1304888), (1612, 803008), (1664, 777914), (1984, 652444), (3224, 401504), (3328, 388957), (3968, 326222), (6448, 200752), (7936, 163111), (12547, 103168), (12896, 100376), (25094, 51584), (25792, 50188)]