28751576

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 63974400

約数和(自身を除く): 35222824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 79, 97, 134, 158, 194, 268, 316, 388, 469, 536, 553, 632, 679, 776, 938, 1106, 1358, 1876, 2212, 2716, 3752, 4424, 5293, 5432, 6499, 7663, 10586, 12998, 15326, 21172, 25996, 30652, 37051, 42344, 45493, 51992, 53641, 61304, 74102, 90986, 107282, 148204, 181972, 214564, 296408, 363944, 429128, 513421, 1026842, 2053684, 3593947, 4107368, 7187894, 14375788, 28751576]

約数ペア:

[(1, 28751576), (2, 14375788), (4, 7187894), (7, 4107368), (8, 3593947), (14, 2053684), (28, 1026842), (56, 513421), (67, 429128), (79, 363944), (97, 296408), (134, 214564), (158, 181972), (194, 148204), (268, 107282), (316, 90986), (388, 74102), (469, 61304), (536, 53641), (553, 51992), (632, 45493), (679, 42344), (776, 37051), (938, 30652), (1106, 25996), (1358, 21172), (1876, 15326), (2212, 12998), (2716, 10586), (3752, 7663), (4424, 6499), (5293, 5432)]