28967510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 62705664

約数和(自身を除く): 33738154

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 47, 55, 65, 94, 110, 130, 143, 235, 286, 431, 470, 517, 611, 715, 862, 1034, 1222, 1430, 2155, 2585, 3055, 4310, 4741, 5170, 5603, 6110, 6721, 9482, 11206, 13442, 20257, 23705, 28015, 33605, 40514, 47410, 56030, 61633, 67210, 101285, 123266, 202570, 222827, 263341, 308165, 445654, 526682, 616330, 1114135, 1316705, 2228270, 2633410, 2896751, 5793502, 14483755, 28967510]

約数ペア:

[(1, 28967510), (2, 14483755), (5, 5793502), (10, 2896751), (11, 2633410), (13, 2228270), (22, 1316705), (26, 1114135), (47, 616330), (55, 526682), (65, 445654), (94, 308165), (110, 263341), (130, 222827), (143, 202570), (235, 123266), (286, 101285), (431, 67210), (470, 61633), (517, 56030), (611, 47410), (715, 40514), (862, 33605), (1034, 28015), (1222, 23705), (1430, 20257), (2155, 13442), (2585, 11206), (3055, 9482), (4310, 6721), (4741, 6110), (5170, 5603)]