217091684

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 394343040

約数和(自身を除く): 177251356

約数列:

[1, 2, 4, 47, 79, 94, 158, 188, 311, 316, 622, 1244, 2209, 3713, 4418, 7426, 8836, 14617, 14852, 24569, 29234, 49138, 58468, 98276, 174511, 349022, 686999, 698044, 1154743, 1373998, 2309486, 2747996, 4618972, 54272921, 108545842, 217091684]

約数ペア:

[(1, 217091684), (2, 108545842), (4, 54272921), (47, 4618972), (79, 2747996), (94, 2309486), (158, 1373998), (188, 1154743), (311, 698044), (316, 686999), (622, 349022), (1244, 174511), (2209, 98276), (3713, 58468), (4418, 49138), (7426, 29234), (8836, 24569), (14617, 14852)]