2001231992528

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{12671}}^1\times {\mathrm{229561}}^1$

素因数の和:242283

約数の個数: 40

約数和(自身を含む): 3967889181696

約数和(自身を除く): 1966657189168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 12671, 25342, 50684, 101368, 202736, 229561, 459122, 544853, 918244, 1089706, 1836488, 2179412, 3672976, 4358824, 8717648, 9871123, 19742246, 39484492, 78968984, 157937968, 2908767431, 5817534862, 11635069724, 23270139448, 46540278896, 125076999533, 250153999066, 500307998132, 1000615996264, 2001231992528]

約数ペア:

[(1, 2001231992528), (2, 1000615996264), (4, 500307998132), (8, 250153999066), (16, 125076999533), (43, 46540278896), (86, 23270139448), (172, 11635069724), (344, 5817534862), (688, 2908767431), (12671, 157937968), (25342, 78968984), (50684, 39484492), (101368, 19742246), (202736, 9871123), (229561, 8717648), (459122, 4358824), (544853, 3672976), (918244, 2179412), (1089706, 1836488)]