198765888

素因数分解:

$2^6\times 3^1\times {\mathrm{421}}^1\times {\mathrm{2459}}^1$

素因数の和:2895

約数の個数: 56

約数和(自身を含む): 527364960

約数和(自身を除く): 328599072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 421, 842, 1263, 1684, 2459, 2526, 3368, 4918, 5052, 6736, 7377, 9836, 10104, 13472, 14754, 19672, 20208, 26944, 29508, 39344, 40416, 59016, 78688, 80832, 118032, 157376, 236064, 472128, 1035239, 2070478, 3105717, 4140956, 6211434, 8281912, 12422868, 16563824, 24845736, 33127648, 49691472, 66255296, 99382944, 198765888]

約数ペア:

[(1, 198765888), (2, 99382944), (3, 66255296), (4, 49691472), (6, 33127648), (8, 24845736), (12, 16563824), (16, 12422868), (24, 8281912), (32, 6211434), (48, 4140956), (64, 3105717), (96, 2070478), (192, 1035239), (421, 472128), (842, 236064), (1263, 157376), (1684, 118032), (2459, 80832), (2526, 78688), (3368, 59016), (4918, 40416), (5052, 39344), (6736, 29508), (7377, 26944), (9836, 20208), (10104, 19672), (13472, 14754)]