28309386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 70778880

約数和(自身を除く): 42469494

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 93, 102, 119, 186, 217, 238, 357, 434, 527, 651, 714, 1054, 1279, 1302, 1581, 2558, 3162, 3689, 3837, 7378, 7674, 8953, 11067, 17906, 21743, 22134, 26859, 39649, 43486, 53718, 65229, 79298, 118947, 130458, 152201, 237894, 277543, 304402, 456603, 555086, 674033, 832629, 913206, 1348066, 1665258, 2022099, 4044198, 4718231, 9436462, 14154693, 28309386]

約数ペア:

[(1, 28309386), (2, 14154693), (3, 9436462), (6, 4718231), (7, 4044198), (14, 2022099), (17, 1665258), (21, 1348066), (31, 913206), (34, 832629), (42, 674033), (51, 555086), (62, 456603), (93, 304402), (102, 277543), (119, 237894), (186, 152201), (217, 130458), (238, 118947), (357, 79298), (434, 65229), (527, 53718), (651, 43486), (714, 39649), (1054, 26859), (1279, 22134), (1302, 21743), (1581, 17906), (2558, 11067), (3162, 8953), (3689, 7674), (3837, 7378)]