397131408

素因数分解:

$2^4\times 3^2\times {\mathrm{1381}}^1\times {\mathrm{1997}}^1$

素因数の和:3392

約数の個数: 60

約数和(自身を含む): 1112778108

約数和(自身を除く): 715646700

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1381, 1997, 2762, 3994, 4143, 5524, 5991, 7988, 8286, 11048, 11982, 12429, 15976, 16572, 17973, 22096, 23964, 24858, 31952, 33144, 35946, 47928, 49716, 66288, 71892, 95856, 99432, 143784, 198864, 287568, 2757857, 5515714, 8273571, 11031428, 16547142, 22062856, 24820713, 33094284, 44125712, 49641426, 66188568, 99282852, 132377136, 198565704, 397131408]

約数ペア:

[(1, 397131408), (2, 198565704), (3, 132377136), (4, 99282852), (6, 66188568), (8, 49641426), (9, 44125712), (12, 33094284), (16, 24820713), (18, 22062856), (24, 16547142), (36, 11031428), (48, 8273571), (72, 5515714), (144, 2757857), (1381, 287568), (1997, 198864), (2762, 143784), (3994, 99432), (4143, 95856), (5524, 71892), (5991, 66288), (7988, 49716), (8286, 47928), (11048, 35946), (11982, 33144), (12429, 31952), (15976, 24858), (16572, 23964), (17973, 22096)]