30391088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20873}}^1$

素因数の和:20901

約数の個数: 40

約数和(自身を含む): 72474528

約数和(自身を除く): 42083440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20873, 41746, 83492, 146111, 166984, 271349, 292222, 333968, 542698, 584444, 1085396, 1168888, 1899443, 2170792, 2337776, 3798886, 4341584, 7597772, 15195544, 30391088]

約数ペア:

[(1, 30391088), (2, 15195544), (4, 7597772), (7, 4341584), (8, 3798886), (13, 2337776), (14, 2170792), (16, 1899443), (26, 1168888), (28, 1085396), (52, 584444), (56, 542698), (91, 333968), (104, 292222), (112, 271349), (182, 166984), (208, 146111), (364, 83492), (728, 41746), (1456, 20873)]