399204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:876

約数の個数: 36

約数和(自身を含む): 1087996

約数和(自身を除く): 688792

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 853, 1706, 2559, 3412, 5118, 7677, 10236, 11089, 15354, 22178, 30708, 33267, 44356, 66534, 99801, 133068, 199602, 399204]

約数ペア:

[(1, 399204), (2, 199602), (3, 133068), (4, 99801), (6, 66534), (9, 44356), (12, 33267), (13, 30708), (18, 22178), (26, 15354), (36, 11089), (39, 10236), (52, 7677), (78, 5118), (117, 3412), (156, 2559), (234, 1706), (468, 853)]