28906472

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 64785060

約数和(自身を除く): 35878588

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1813, 1993, 2072, 3626, 3986, 7252, 7972, 13951, 14504, 15944, 27902, 55804, 73741, 97657, 111608, 147482, 195314, 294964, 390628, 516187, 589928, 781256, 1032374, 2064748, 3613309, 4129496, 7226618, 14453236, 28906472]

約数ペア:

[(1, 28906472), (2, 14453236), (4, 7226618), (7, 4129496), (8, 3613309), (14, 2064748), (28, 1032374), (37, 781256), (49, 589928), (56, 516187), (74, 390628), (98, 294964), (148, 195314), (196, 147482), (259, 111608), (296, 97657), (392, 73741), (518, 55804), (1036, 27902), (1813, 15944), (1993, 14504), (2072, 13951), (3626, 7972), (3986, 7252)]