31507190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 67166064

約数和(自身を除く): 35658874

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 2003, 3146, 4006, 7865, 10015, 15730, 20030, 22033, 26039, 44066, 52078, 110165, 130195, 220330, 242363, 260390, 286429, 484726, 572858, 1211815, 1432145, 2423630, 2864290, 3150719, 6301438, 15753595, 31507190]

約数ペア:

[(1, 31507190), (2, 15753595), (5, 6301438), (10, 3150719), (11, 2864290), (13, 2423630), (22, 1432145), (26, 1211815), (55, 572858), (65, 484726), (110, 286429), (121, 260390), (130, 242363), (143, 220330), (242, 130195), (286, 110165), (605, 52078), (715, 44066), (1210, 26039), (1430, 22033), (1573, 20030), (2003, 15730), (3146, 10015), (4006, 7865)]