22157885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 29743200

約数和(自身を除く): 7585315

約数列:

[1, 5, 17, 29, 85, 89, 101, 145, 445, 493, 505, 1513, 1717, 2465, 2581, 2929, 7565, 8585, 8989, 12905, 14645, 43877, 44945, 49793, 152813, 219385, 248965, 260681, 764065, 1303405, 4431577, 22157885]

約数ペア:

[(1, 22157885), (5, 4431577), (17, 1303405), (29, 764065), (85, 260681), (89, 248965), (101, 219385), (145, 152813), (445, 49793), (493, 44945), (505, 43877), (1513, 14645), (1717, 12905), (2465, 8989), (2581, 8585), (2929, 7565)]