64870672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 131777280

約数和(自身を除く): 66906608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 409, 431, 818, 862, 1636, 1724, 3272, 3448, 6544, 6896, 9407, 9913, 18814, 19826, 37628, 39652, 75256, 79304, 150512, 158608, 176279, 352558, 705116, 1410232, 2820464, 4054417, 8108834, 16217668, 32435336, 64870672]

約数ペア:

[(1, 64870672), (2, 32435336), (4, 16217668), (8, 8108834), (16, 4054417), (23, 2820464), (46, 1410232), (92, 705116), (184, 352558), (368, 176279), (409, 158608), (431, 150512), (818, 79304), (862, 75256), (1636, 39652), (1724, 37628), (3272, 19826), (3448, 18814), (6544, 9913), (6896, 9407)]