400581008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{7841}}^1$

素因数の和:7983

約数の個数: 40

約数和(自身を含む): 809043456

約数和(自身を除く): 408462448

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 412, 496, 824, 1648, 3193, 6386, 7841, 12772, 15682, 25544, 31364, 51088, 62728, 125456, 243071, 486142, 807623, 972284, 1615246, 1944568, 3230492, 3889136, 6460984, 12921968, 25036313, 50072626, 100145252, 200290504, 400581008]

約数ペア:

[(1, 400581008), (2, 200290504), (4, 100145252), (8, 50072626), (16, 25036313), (31, 12921968), (62, 6460984), (103, 3889136), (124, 3230492), (206, 1944568), (248, 1615246), (412, 972284), (496, 807623), (824, 486142), (1648, 243071), (3193, 125456), (6386, 62728), (7841, 51088), (12772, 31364), (15682, 25544)]