28211330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 62249472

約数和(自身を除く): 34038142

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 151, 157, 170, 238, 302, 314, 595, 755, 785, 1057, 1099, 1190, 1510, 1570, 2114, 2198, 2567, 2669, 5134, 5285, 5338, 5495, 10570, 10990, 12835, 13345, 17969, 18683, 23707, 25670, 26690, 35938, 37366, 47414, 89845, 93415, 118535, 165949, 179690, 186830, 237070, 331898, 403019, 806038, 829745, 1659490, 2015095, 2821133, 4030190, 5642266, 14105665, 28211330]

約数ペア:

[(1, 28211330), (2, 14105665), (5, 5642266), (7, 4030190), (10, 2821133), (14, 2015095), (17, 1659490), (34, 829745), (35, 806038), (70, 403019), (85, 331898), (119, 237070), (151, 186830), (157, 179690), (170, 165949), (238, 118535), (302, 93415), (314, 89845), (595, 47414), (755, 37366), (785, 35938), (1057, 26690), (1099, 25670), (1190, 23707), (1510, 18683), (1570, 17969), (2114, 13345), (2198, 12835), (2567, 10990), (2669, 10570), (5134, 5495), (5285, 5338)]