201688705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 263894400

約数和(自身を除く): 62205695

約数列:

[1, 5, 19, 43, 95, 97, 215, 485, 509, 817, 1843, 2545, 4085, 4171, 9215, 9671, 20855, 21887, 48355, 49373, 79249, 109435, 246865, 396245, 415853, 938087, 2079265, 2123039, 4690435, 10615195, 40337741, 201688705]

約数ペア:

[(1, 201688705), (5, 40337741), (19, 10615195), (43, 4690435), (95, 2123039), (97, 2079265), (215, 938087), (485, 415853), (509, 396245), (817, 246865), (1843, 109435), (2545, 79249), (4085, 49373), (4171, 48355), (9215, 21887), (9671, 20855)]