13901255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 4726585

約数列:

[1, 5, 19, 41, 43, 83, 95, 205, 215, 415, 779, 817, 1577, 1763, 3403, 3569, 3895, 4085, 7885, 8815, 17015, 17845, 33497, 64657, 67811, 146329, 167485, 323285, 339055, 731645, 2780251, 13901255]

約数ペア:

[(1, 13901255), (5, 2780251), (19, 731645), (41, 339055), (43, 323285), (83, 167485), (95, 146329), (205, 67811), (215, 64657), (415, 33497), (779, 17845), (817, 17015), (1577, 8815), (1763, 7885), (3403, 4085), (3569, 3895)]