28979965

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 12307715

約数列:

[1, 5, 7, 35, 47, 79, 223, 235, 329, 395, 553, 1115, 1561, 1645, 2765, 3713, 7805, 10481, 17617, 18565, 25991, 52405, 73367, 88085, 123319, 129955, 366835, 616595, 827999, 4139995, 5795993, 28979965]

約数ペア:

[(1, 28979965), (5, 5795993), (7, 4139995), (35, 827999), (47, 616595), (79, 366835), (223, 129955), (235, 123319), (329, 88085), (395, 73367), (553, 52405), (1115, 25991), (1561, 18565), (1645, 17617), (2765, 10481), (3713, 7805)]