71911390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{821}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 136715040

約数和(自身を除く): 64803650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 461, 821, 922, 1642, 2305, 4105, 4610, 8210, 8759, 15599, 17518, 31198, 43795, 77995, 87590, 155990, 378481, 756962, 1892405, 3784810, 7191139, 14382278, 35955695, 71911390]

約数ペア:

[(1, 71911390), (2, 35955695), (5, 14382278), (10, 7191139), (19, 3784810), (38, 1892405), (95, 756962), (190, 378481), (461, 155990), (821, 87590), (922, 77995), (1642, 43795), (2305, 31198), (4105, 17518), (4610, 15599), (8210, 8759)]