128333056

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 268696064

約数和(自身を除く): 140363008

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 128, 157, 206, 248, 256, 314, 412, 496, 628, 824, 992, 1256, 1648, 1984, 2512, 3193, 3296, 3968, 4867, 5024, 6386, 6592, 7936, 9734, 10048, 12772, 13184, 16171, 19468, 20096, 25544, 26368, 32342, 38936, 40192, 51088, 64684, 77872, 102176, 129368, 155744, 204352, 258736, 311488, 408704, 501301, 517472, 622976, 817408, 1002602, 1034944, 1245952, 2005204, 2069888, 4010408, 4139776, 8020816, 16041632, 32083264, 64166528, 128333056]

約数ペア:

[(1, 128333056), (2, 64166528), (4, 32083264), (8, 16041632), (16, 8020816), (31, 4139776), (32, 4010408), (62, 2069888), (64, 2005204), (103, 1245952), (124, 1034944), (128, 1002602), (157, 817408), (206, 622976), (248, 517472), (256, 501301), (314, 408704), (412, 311488), (496, 258736), (628, 204352), (824, 155744), (992, 129368), (1256, 102176), (1648, 77872), (1984, 64684), (2512, 51088), (3193, 40192), (3296, 38936), (3968, 32342), (4867, 26368), (5024, 25544), (6386, 20096), (6592, 19468), (7936, 16171), (9734, 13184), (10048, 12772)]