1855141855

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{2557}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 2681602560

約数和(自身を除く): 826460705

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1091, 2557, 5455, 7637, 12785, 17899, 20729, 38185, 48583, 89495, 103645, 145103, 242915, 340081, 725515, 1700405, 2789687, 13948435, 19527809, 53004053, 97639045, 265020265, 371028371, 1855141855]

約数ペア:

[(1, 1855141855), (5, 371028371), (7, 265020265), (19, 97639045), (35, 53004053), (95, 19527809), (133, 13948435), (665, 2789687), (1091, 1700405), (2557, 725515), (5455, 340081), (7637, 242915), (12785, 145103), (17899, 103645), (20729, 89495), (38185, 48583)]