285688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 599760

約数和(自身を除く): 314072

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 67, 82, 104, 134, 164, 268, 328, 533, 536, 871, 1066, 1742, 2132, 2747, 3484, 4264, 5494, 6968, 10988, 21976, 35711, 71422, 142844, 285688]

約数ペア:

[(1, 285688), (2, 142844), (4, 71422), (8, 35711), (13, 21976), (26, 10988), (41, 6968), (52, 5494), (67, 4264), (82, 3484), (104, 2747), (134, 2132), (164, 1742), (268, 1066), (328, 871), (533, 536)]