279497984

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 590634240

約数和(自身を除く): 311136256

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 656, 859, 992, 1271, 1312, 1718, 1984, 2542, 2624, 3436, 3968, 5084, 5248, 6872, 7936, 10168, 10496, 13744, 20336, 26629, 27488, 35219, 40672, 53258, 54976, 70438, 81344, 106516, 109952, 140876, 162688, 213032, 219904, 281752, 325376, 426064, 563504, 852128, 1091789, 1127008, 1704256, 2183578, 2254016, 3408512, 4367156, 4508032, 6817024, 8734312, 9016064, 17468624, 34937248, 69874496, 139748992, 279497984]

約数ペア:

[(1, 279497984), (2, 139748992), (4, 69874496), (8, 34937248), (16, 17468624), (31, 9016064), (32, 8734312), (41, 6817024), (62, 4508032), (64, 4367156), (82, 3408512), (124, 2254016), (128, 2183578), (164, 1704256), (248, 1127008), (256, 1091789), (328, 852128), (496, 563504), (656, 426064), (859, 325376), (992, 281752), (1271, 219904), (1312, 213032), (1718, 162688), (1984, 140876), (2542, 109952), (2624, 106516), (3436, 81344), (3968, 70438), (5084, 54976), (5248, 53258), (6872, 40672), (7936, 35219), (10168, 27488), (10496, 26629), (13744, 20336)]