128810962

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 224156160

約数和(自身を除く): 95345198

約数列:

[1, 2, 7, 14, 137, 239, 274, 281, 478, 562, 959, 1673, 1918, 1967, 3346, 3934, 32743, 38497, 65486, 67159, 76994, 134318, 229201, 269479, 458402, 470113, 538958, 940226, 9200783, 18401566, 64405481, 128810962]

約数ペア:

[(1, 128810962), (2, 64405481), (7, 18401566), (14, 9200783), (137, 940226), (239, 538958), (274, 470113), (281, 458402), (478, 269479), (562, 229201), (959, 134318), (1673, 76994), (1918, 67159), (1967, 65486), (3346, 38497), (3934, 32743)]