57780905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 88967424

約数和(自身を除く): 31186519

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 151, 203, 377, 455, 755, 841, 1015, 1057, 1885, 1963, 2639, 4205, 4379, 5285, 5887, 9815, 10933, 13195, 13741, 21895, 29435, 30653, 54665, 56927, 68705, 76531, 126991, 153265, 284635, 382655, 398489, 634955, 888937, 1650883, 1992445, 4444685, 8254415, 11556181, 57780905]

約数ペア:

[(1, 57780905), (5, 11556181), (7, 8254415), (13, 4444685), (29, 1992445), (35, 1650883), (65, 888937), (91, 634955), (145, 398489), (151, 382655), (203, 284635), (377, 153265), (455, 126991), (755, 76531), (841, 68705), (1015, 56927), (1057, 54665), (1885, 30653), (1963, 29435), (2639, 21895), (4205, 13741), (4379, 13195), (5285, 10933), (5887, 9815)]