28973035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 43972992

約数和(自身を除く): 14999957

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 1721, 2405, 3367, 8605, 12047, 16835, 22373, 60235, 63677, 111865, 156611, 318385, 445739, 783055, 827801, 2228695, 4139005, 5794607, 28973035]

約数ペア:

[(1, 28973035), (5, 5794607), (7, 4139005), (13, 2228695), (35, 827801), (37, 783055), (65, 445739), (91, 318385), (185, 156611), (259, 111865), (455, 63677), (481, 60235), (1295, 22373), (1721, 16835), (2405, 12047), (3367, 8605)]