64935988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 135387000

約数和(自身を除く): 70451012

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 149, 221, 289, 298, 377, 442, 493, 578, 596, 754, 884, 986, 1156, 1508, 1937, 1972, 2533, 3757, 3874, 4321, 5066, 6409, 7514, 7748, 8381, 8642, 10132, 12818, 15028, 16762, 17284, 25636, 32929, 33524, 43061, 56173, 65858, 73457, 86122, 108953, 112346, 131716, 146914, 172244, 217906, 224692, 293828, 435812, 559793, 954941, 1119586, 1248769, 1909882, 2239172, 2497538, 3819764, 4995076, 16233997, 32467994, 64935988]

約数ペア:

[(1, 64935988), (2, 32467994), (4, 16233997), (13, 4995076), (17, 3819764), (26, 2497538), (29, 2239172), (34, 1909882), (52, 1248769), (58, 1119586), (68, 954941), (116, 559793), (149, 435812), (221, 293828), (289, 224692), (298, 217906), (377, 172244), (442, 146914), (493, 131716), (578, 112346), (596, 108953), (754, 86122), (884, 73457), (986, 65858), (1156, 56173), (1508, 43061), (1937, 33524), (1972, 32929), (2533, 25636), (3757, 17284), (3874, 16762), (4321, 15028), (5066, 12818), (6409, 10132), (7514, 8642), (7748, 8381)]