61449985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 81920160

約数和(自身を除く): 20470175

約数列:

[1, 5, 17, 29, 85, 97, 145, 257, 485, 493, 1285, 1649, 2465, 2813, 4369, 7453, 8245, 14065, 21845, 24929, 37265, 47821, 124645, 126701, 239105, 423793, 633505, 722941, 2118965, 3614705, 12289997, 61449985]

約数ペア:

[(1, 61449985), (5, 12289997), (17, 3614705), (29, 2118965), (85, 722941), (97, 633505), (145, 423793), (257, 239105), (485, 126701), (493, 124645), (1285, 47821), (1649, 37265), (2465, 24929), (2813, 21845), (4369, 14065), (7453, 8245)]