217073408

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 473880960

約数和(自身を除く): 256807552

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1609, 1984, 2108, 2176, 3218, 3968, 4216, 4352, 6436, 7936, 8432, 12872, 16864, 25744, 27353, 33728, 49879, 51488, 54706, 67456, 99758, 102976, 109412, 134912, 199516, 205952, 218824, 399032, 411904, 437648, 798064, 847943, 875296, 1596128, 1695886, 1750592, 3192256, 3391772, 3501184, 6384512, 6783544, 7002368, 12769024, 13567088, 27134176, 54268352, 108536704, 217073408]

約数ペア:

[(1, 217073408), (2, 108536704), (4, 54268352), (8, 27134176), (16, 13567088), (17, 12769024), (31, 7002368), (32, 6783544), (34, 6384512), (62, 3501184), (64, 3391772), (68, 3192256), (124, 1750592), (128, 1695886), (136, 1596128), (248, 875296), (256, 847943), (272, 798064), (496, 437648), (527, 411904), (544, 399032), (992, 218824), (1054, 205952), (1088, 199516), (1609, 134912), (1984, 109412), (2108, 102976), (2176, 99758), (3218, 67456), (3968, 54706), (4216, 51488), (4352, 49879), (6436, 33728), (7936, 27353), (8432, 25744), (12872, 16864)]