157425318

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 348192000

約数和(自身を除く): 190766682

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 199, 213, 398, 426, 597, 619, 639, 1194, 1238, 1278, 1791, 1857, 3582, 3714, 5571, 11142, 14129, 28258, 42387, 43949, 84774, 87898, 123181, 127161, 131847, 246362, 254322, 263694, 369543, 395541, 739086, 791082, 1108629, 2217258, 8745851, 17491702, 26237553, 52475106, 78712659, 157425318]

約数ペア:

[(1, 157425318), (2, 78712659), (3, 52475106), (6, 26237553), (9, 17491702), (18, 8745851), (71, 2217258), (142, 1108629), (199, 791082), (213, 739086), (398, 395541), (426, 369543), (597, 263694), (619, 254322), (639, 246362), (1194, 131847), (1238, 127161), (1278, 123181), (1791, 87898), (1857, 84774), (3582, 43949), (3714, 42387), (5571, 28258), (11142, 14129)]