257130542588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{91440449}}^1$

素因数の和:91440509

約数の個数: 24

約数和(自身を含む): 486463194000

約数和(自身を除く): 229332651412

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 91440449, 182880898, 365761796, 1737368531, 3383296613, 3474737062, 6766593226, 6949474124, 13533186452, 64282635647, 128565271294, 257130542588]

約数ペア:

[(1, 257130542588), (2, 128565271294), (4, 64282635647), (19, 13533186452), (37, 6949474124), (38, 6766593226), (74, 3474737062), (76, 3383296613), (148, 1737368531), (703, 365761796), (1406, 182880898), (2812, 91440449)]