81788416

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{5153}}^1$

素因数の和:5202

約数の個数: 40

約数和(自身を含む): 168721344

約数和(自身を除く): 86932928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 5153, 7936, 10306, 15872, 20612, 41224, 82448, 159743, 164896, 319486, 329792, 638972, 659584, 1277944, 1319168, 2555888, 2638336, 5111776, 10223552, 20447104, 40894208, 81788416]

約数ペア:

[(1, 81788416), (2, 40894208), (4, 20447104), (8, 10223552), (16, 5111776), (31, 2638336), (32, 2555888), (62, 1319168), (64, 1277944), (124, 659584), (128, 638972), (248, 329792), (256, 319486), (496, 164896), (512, 159743), (992, 82448), (1984, 41224), (3968, 20612), (5153, 15872), (7936, 10306)]