72289138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 116640000

約数和(自身を除く): 44350862

約数列:

[1, 2, 23, 46, 53, 106, 149, 199, 298, 398, 1219, 2438, 3427, 4577, 6854, 7897, 9154, 10547, 15794, 21094, 29651, 59302, 181631, 242581, 363262, 485162, 681973, 1363946, 1571503, 3143006, 36144569, 72289138]

約数ペア:

[(1, 72289138), (2, 36144569), (23, 3143006), (46, 1571503), (53, 1363946), (106, 681973), (149, 485162), (199, 363262), (298, 242581), (398, 181631), (1219, 59302), (2438, 29651), (3427, 21094), (4577, 15794), (6854, 10547), (7897, 9154)]