128956814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8521}}^1$

素因数の和:8600

約数の個数: 32

約数和(自身を含む): 235616256

約数和(自身を除く): 106659442

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2162, 7567, 8521, 15134, 17042, 59647, 119294, 195983, 391966, 400487, 800974, 1371881, 2743762, 2803409, 5606818, 9211201, 18422402, 64478407, 128956814]

約数ペア:

[(1, 128956814), (2, 64478407), (7, 18422402), (14, 9211201), (23, 5606818), (46, 2803409), (47, 2743762), (94, 1371881), (161, 800974), (322, 400487), (329, 391966), (658, 195983), (1081, 119294), (2162, 59647), (7567, 17042), (8521, 15134)]