28474705

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19843}}^1$

素因数の和:19896

約数の個数: 16

約数和(自身を含む): 40005504

約数和(自身を除く): 11530799

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19843, 99215, 138901, 694505, 813563, 4067815, 5694941, 28474705]

約数ペア:

[(1, 28474705), (5, 5694941), (7, 4067815), (35, 813563), (41, 694505), (205, 138901), (287, 99215), (1435, 19843)]