207518464

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 434309120

約数和(自身を除く): 226790656

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 331, 496, 632, 662, 992, 1264, 1324, 1984, 2449, 2528, 2648, 3968, 4898, 5056, 5296, 7936, 9796, 10112, 10261, 10592, 19592, 20224, 20522, 21184, 26149, 39184, 41044, 42368, 52298, 78368, 82088, 84736, 104596, 156736, 164176, 209192, 313472, 328352, 418384, 626944, 656704, 810619, 836768, 1313408, 1621238, 1673536, 2626816, 3242476, 3347072, 6484952, 6694144, 12969904, 25939808, 51879616, 103759232, 207518464]

約数ペア:

[(1, 207518464), (2, 103759232), (4, 51879616), (8, 25939808), (16, 12969904), (31, 6694144), (32, 6484952), (62, 3347072), (64, 3242476), (79, 2626816), (124, 1673536), (128, 1621238), (158, 1313408), (248, 836768), (256, 810619), (316, 656704), (331, 626944), (496, 418384), (632, 328352), (662, 313472), (992, 209192), (1264, 164176), (1324, 156736), (1984, 104596), (2449, 84736), (2528, 82088), (2648, 78368), (3968, 52298), (4898, 42368), (5056, 41044), (5296, 39184), (7936, 26149), (9796, 21184), (10112, 20522), (10261, 20224), (10592, 19592)]