64454764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 134361920

約数和(自身を除く): 69907156

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 121, 163, 172, 209, 242, 326, 418, 473, 484, 652, 817, 836, 946, 1634, 1793, 1892, 2299, 3097, 3268, 3586, 4598, 5203, 6194, 7009, 7172, 8987, 9196, 10406, 12388, 14018, 17974, 19723, 20812, 28036, 34067, 35948, 39446, 68134, 77099, 78892, 98857, 133171, 136268, 154198, 197714, 266342, 308396, 374737, 395428, 532684, 749474, 848089, 1464881, 1498948, 1696178, 2929762, 3392356, 5859524, 16113691, 32227382, 64454764]

約数ペア:

[(1, 64454764), (2, 32227382), (4, 16113691), (11, 5859524), (19, 3392356), (22, 2929762), (38, 1696178), (43, 1498948), (44, 1464881), (76, 848089), (86, 749474), (121, 532684), (163, 395428), (172, 374737), (209, 308396), (242, 266342), (326, 197714), (418, 154198), (473, 136268), (484, 133171), (652, 98857), (817, 78892), (836, 77099), (946, 68134), (1634, 39446), (1793, 35948), (1892, 34067), (2299, 28036), (3097, 20812), (3268, 19723), (3586, 17974), (4598, 14018), (5203, 12388), (6194, 10406), (7009, 9196), (7172, 8987)]