139808512

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 293027840

約数和(自身を除く): 153219328

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 223, 248, 256, 316, 446, 496, 632, 892, 992, 1264, 1784, 1984, 2449, 2528, 3568, 3968, 4898, 5056, 6913, 7136, 7936, 9796, 10112, 13826, 14272, 17617, 19592, 20224, 27652, 28544, 35234, 39184, 55304, 57088, 70468, 78368, 110608, 140936, 156736, 221216, 281872, 313472, 442432, 546127, 563744, 626944, 884864, 1092254, 1127488, 1769728, 2184508, 2254976, 4369016, 4509952, 8738032, 17476064, 34952128, 69904256, 139808512]

約数ペア:

[(1, 139808512), (2, 69904256), (4, 34952128), (8, 17476064), (16, 8738032), (31, 4509952), (32, 4369016), (62, 2254976), (64, 2184508), (79, 1769728), (124, 1127488), (128, 1092254), (158, 884864), (223, 626944), (248, 563744), (256, 546127), (316, 442432), (446, 313472), (496, 281872), (632, 221216), (892, 156736), (992, 140936), (1264, 110608), (1784, 78368), (1984, 70468), (2449, 57088), (2528, 55304), (3568, 39184), (3968, 35234), (4898, 28544), (5056, 27652), (6913, 20224), (7136, 19592), (7936, 17617), (9796, 14272), (10112, 13826)]