81218616

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 214838400

約数和(自身を除く): 133619784

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 277, 456, 554, 643, 831, 1108, 1286, 1662, 1929, 2216, 2572, 3324, 3858, 5144, 5263, 6648, 7716, 10526, 12217, 15432, 15789, 21052, 24434, 31578, 36651, 42104, 48868, 63156, 73302, 97736, 126312, 146604, 178111, 293208, 356222, 534333, 712444, 1068666, 1424888, 2137332, 3384109, 4274664, 6768218, 10152327, 13536436, 20304654, 27072872, 40609308, 81218616]

約数ペア:

[(1, 81218616), (2, 40609308), (3, 27072872), (4, 20304654), (6, 13536436), (8, 10152327), (12, 6768218), (19, 4274664), (24, 3384109), (38, 2137332), (57, 1424888), (76, 1068666), (114, 712444), (152, 534333), (228, 356222), (277, 293208), (456, 178111), (554, 146604), (643, 126312), (831, 97736), (1108, 73302), (1286, 63156), (1662, 48868), (1929, 42104), (2216, 36651), (2572, 31578), (3324, 24434), (3858, 21052), (5144, 15789), (5263, 15432), (6648, 12217), (7716, 10526)]