12857005

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 5805395

約数列:

[1, 5, 7, 29, 35, 53, 145, 203, 239, 265, 371, 1015, 1195, 1537, 1673, 1855, 6931, 7685, 8365, 10759, 12667, 34655, 48517, 53795, 63335, 88669, 242585, 367343, 443345, 1836715, 2571401, 12857005]

約数ペア:

[(1, 12857005), (5, 2571401), (7, 1836715), (29, 443345), (35, 367343), (53, 242585), (145, 88669), (203, 63335), (239, 53795), (265, 48517), (371, 34655), (1015, 12667), (1195, 10759), (1537, 8365), (1673, 7685), (1855, 6931)]