2640234814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 4812079104

約数和(自身を除く): 2171844290

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 223, 322, 443, 446, 581, 886, 1162, 1561, 1909, 3101, 3122, 3818, 5129, 6202, 10189, 10258, 13363, 18509, 20378, 26726, 35903, 36769, 37018, 71323, 71806, 73538, 98789, 129563, 142646, 197578, 257383, 259126, 425707, 514766, 691523, 845687, 851414, 1383046, 1691374, 2272147, 2979949, 4544294, 5919809, 5959898, 8199487, 11839618, 15905029, 16398974, 31810058, 57396409, 114792818, 188588201, 377176402, 1320117407, 2640234814]

約数ペア:

[(1, 2640234814), (2, 1320117407), (7, 377176402), (14, 188588201), (23, 114792818), (46, 57396409), (83, 31810058), (161, 16398974), (166, 15905029), (223, 11839618), (322, 8199487), (443, 5959898), (446, 5919809), (581, 4544294), (886, 2979949), (1162, 2272147), (1561, 1691374), (1909, 1383046), (3101, 851414), (3122, 845687), (3818, 691523), (5129, 514766), (6202, 425707), (10189, 259126), (10258, 257383), (13363, 197578), (18509, 142646), (20378, 129563), (26726, 98789), (35903, 73538), (36769, 71806), (37018, 71323)]