2138361712

素因数分解:

$2^4\times {\mathrm{1987}}^1\times {\mathrm{67261}}^1$

素因数の和:69256

約数の個数: 20

約数和(自身を含む): 4145222536

約数和(自身を除く): 2006860824

約数列:

[1, 2, 4, 8, 16, 1987, 3974, 7948, 15896, 31792, 67261, 134522, 269044, 538088, 1076176, 133647607, 267295214, 534590428, 1069180856, 2138361712]

約数ペア:

[(1, 2138361712), (2, 1069180856), (4, 534590428), (8, 267295214), (16, 133647607), (1987, 1076176), (3974, 538088), (7948, 269044), (15896, 134522), (31792, 67261)]