858489995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 1147608000

約数和(自身を除く): 289118005

約数列:

[1, 5, 11, 55, 89, 109, 445, 545, 979, 1199, 1609, 4895, 5995, 8045, 9701, 17699, 48505, 88495, 106711, 143201, 175381, 533555, 716005, 876905, 1575211, 1929191, 7876055, 9645955, 15608909, 78044545, 171697999, 858489995]

約数ペア:

[(1, 858489995), (5, 171697999), (11, 78044545), (55, 15608909), (89, 9645955), (109, 7876055), (445, 1929191), (545, 1575211), (979, 876905), (1199, 716005), (1609, 533555), (4895, 175381), (5995, 143201), (8045, 106711), (9701, 88495), (17699, 48505)]