28397718

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 67240368

約数和(自身を除く): 38842650

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 103, 106, 153, 159, 206, 289, 306, 309, 318, 477, 578, 618, 867, 901, 927, 954, 1734, 1751, 1802, 1854, 2601, 2703, 3502, 5202, 5253, 5406, 5459, 8109, 10506, 10918, 15317, 15759, 16218, 16377, 29767, 30634, 31518, 32754, 45951, 49131, 59534, 89301, 91902, 92803, 98262, 137853, 178602, 185606, 267903, 275706, 278409, 535806, 556818, 835227, 1577651, 1670454, 3155302, 4732953, 9465906, 14198859, 28397718]

約数ペア:

[(1, 28397718), (2, 14198859), (3, 9465906), (6, 4732953), (9, 3155302), (17, 1670454), (18, 1577651), (34, 835227), (51, 556818), (53, 535806), (102, 278409), (103, 275706), (106, 267903), (153, 185606), (159, 178602), (206, 137853), (289, 98262), (306, 92803), (309, 91902), (318, 89301), (477, 59534), (578, 49131), (618, 45951), (867, 32754), (901, 31518), (927, 30634), (954, 29767), (1734, 16377), (1751, 16218), (1802, 15759), (1854, 15317), (2601, 10918), (2703, 10506), (3502, 8109), (5202, 5459), (5253, 5406)]