163908976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 398331648

約数和(自身を除く): 234422672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 233, 308, 466, 571, 616, 932, 1142, 1232, 1631, 1864, 2284, 2563, 3262, 3728, 3997, 4568, 5126, 6281, 6524, 7994, 9136, 10252, 12562, 13048, 15988, 17941, 20504, 25124, 26096, 31976, 35882, 41008, 43967, 50248, 63952, 71764, 87934, 100496, 133043, 143528, 175868, 266086, 287056, 351736, 532172, 703472, 931301, 1064344, 1463473, 1862602, 2128688, 2926946, 3725204, 5853892, 7450408, 10244311, 11707784, 14900816, 20488622, 23415568, 40977244, 81954488, 163908976]

約数ペア:

[(1, 163908976), (2, 81954488), (4, 40977244), (7, 23415568), (8, 20488622), (11, 14900816), (14, 11707784), (16, 10244311), (22, 7450408), (28, 5853892), (44, 3725204), (56, 2926946), (77, 2128688), (88, 1862602), (112, 1463473), (154, 1064344), (176, 931301), (233, 703472), (308, 532172), (466, 351736), (571, 287056), (616, 266086), (932, 175868), (1142, 143528), (1232, 133043), (1631, 100496), (1864, 87934), (2284, 71764), (2563, 63952), (3262, 50248), (3728, 43967), (3997, 41008), (4568, 35882), (5126, 31976), (6281, 26096), (6524, 25124), (7994, 20504), (9136, 17941), (10252, 15988), (12562, 13048)]