431640064

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:627

約数の個数: 80

約数和(自身を含む): 924088176

約数和(自身を除く): 492448112

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 101, 128, 136, 202, 256, 272, 404, 491, 512, 544, 808, 982, 1088, 1616, 1717, 1964, 2176, 3232, 3434, 3928, 4352, 6464, 6868, 7856, 8347, 8704, 12928, 13736, 15712, 16694, 25856, 27472, 31424, 33388, 49591, 51712, 54944, 62848, 66776, 99182, 109888, 125696, 133552, 198364, 219776, 251392, 267104, 396728, 439552, 534208, 793456, 843047, 879104, 1068416, 1586912, 1686094, 2136832, 3173824, 3372188, 4273664, 6347648, 6744376, 12695296, 13488752, 25390592, 26977504, 53955008, 107910016, 215820032, 431640064]

約数ペア:

[(1, 431640064), (2, 215820032), (4, 107910016), (8, 53955008), (16, 26977504), (17, 25390592), (32, 13488752), (34, 12695296), (64, 6744376), (68, 6347648), (101, 4273664), (128, 3372188), (136, 3173824), (202, 2136832), (256, 1686094), (272, 1586912), (404, 1068416), (491, 879104), (512, 843047), (544, 793456), (808, 534208), (982, 439552), (1088, 396728), (1616, 267104), (1717, 251392), (1964, 219776), (2176, 198364), (3232, 133552), (3434, 125696), (3928, 109888), (4352, 99182), (6464, 66776), (6868, 62848), (7856, 54944), (8347, 51712), (8704, 49591), (12928, 33388), (13736, 31424), (15712, 27472), (16694, 25856)]