87989825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 139324416

約数和(自身を除く): 51334591

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1063, 1075, 1505, 1925, 2365, 3311, 5315, 7441, 7525, 11693, 11825, 16555, 26575, 37205, 45709, 58465, 81851, 82775, 186025, 228545, 292325, 319963, 409255, 502799, 1142725, 1599815, 2046275, 2513995, 3519593, 7999075, 12569975, 17597965, 87989825]

約数ペア:

[(1, 87989825), (5, 17597965), (7, 12569975), (11, 7999075), (25, 3519593), (35, 2513995), (43, 2046275), (55, 1599815), (77, 1142725), (175, 502799), (215, 409255), (275, 319963), (301, 292325), (385, 228545), (473, 186025), (1063, 82775), (1075, 81851), (1505, 58465), (1925, 45709), (2365, 37205), (3311, 26575), (5315, 16555), (7441, 11825), (7525, 11693)]