17682728

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 39124800

約数和(自身を除く): 21442072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 571, 632, 1106, 1142, 2212, 2284, 3871, 3997, 4424, 4568, 7742, 7994, 15484, 15988, 27979, 30968, 31976, 45109, 55958, 90218, 111916, 180436, 223832, 315763, 360872, 631526, 1263052, 2210341, 2526104, 4420682, 8841364, 17682728]

約数ペア:

[(1, 17682728), (2, 8841364), (4, 4420682), (7, 2526104), (8, 2210341), (14, 1263052), (28, 631526), (49, 360872), (56, 315763), (79, 223832), (98, 180436), (158, 111916), (196, 90218), (316, 55958), (392, 45109), (553, 31976), (571, 30968), (632, 27979), (1106, 15988), (1142, 15484), (2212, 7994), (2284, 7742), (3871, 4568), (3997, 4424)]