77564728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 80028872

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 79, 107, 124, 148, 158, 214, 248, 296, 316, 428, 632, 856, 1147, 2294, 2449, 2923, 3317, 3959, 4588, 4898, 5846, 6634, 7918, 8453, 9176, 9796, 11692, 13268, 15836, 16906, 19592, 23384, 26536, 31672, 33812, 67624, 90613, 122729, 181226, 245458, 262043, 312761, 362452, 490916, 524086, 625522, 724904, 981832, 1048172, 1251044, 2096344, 2502088, 9695591, 19391182, 38782364, 77564728]

約数ペア:

[(1, 77564728), (2, 38782364), (4, 19391182), (8, 9695591), (31, 2502088), (37, 2096344), (62, 1251044), (74, 1048172), (79, 981832), (107, 724904), (124, 625522), (148, 524086), (158, 490916), (214, 362452), (248, 312761), (296, 262043), (316, 245458), (428, 181226), (632, 122729), (856, 90613), (1147, 67624), (2294, 33812), (2449, 31672), (2923, 26536), (3317, 23384), (3959, 19592), (4588, 16906), (4898, 15836), (5846, 13268), (6634, 11692), (7918, 9796), (8453, 9176)]