128419886

素因数分解:

$2^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 40

約数和(自身を含む): 229906080

約数和(自身を除く): 101486194

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 343, 569, 658, 686, 1138, 2303, 2401, 3983, 4606, 4802, 7966, 16121, 26743, 27881, 32242, 53486, 55762, 112847, 187201, 195167, 225694, 374402, 390334, 1310407, 1366169, 2620814, 2732338, 9172849, 18345698, 64209943, 128419886]

約数ペア:

[(1, 128419886), (2, 64209943), (7, 18345698), (14, 9172849), (47, 2732338), (49, 2620814), (94, 1366169), (98, 1310407), (329, 390334), (343, 374402), (569, 225694), (658, 195167), (686, 187201), (1138, 112847), (2303, 55762), (2401, 53486), (3983, 32242), (4606, 27881), (4802, 26743), (7966, 16121)]