17648245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 6301835

約数列:

[1, 5, 19, 23, 41, 95, 115, 197, 205, 437, 779, 943, 985, 2185, 3743, 3895, 4531, 4715, 8077, 17917, 18715, 22655, 40385, 86089, 89585, 153463, 185771, 430445, 767315, 928855, 3529649, 17648245]

約数ペア:

[(1, 17648245), (5, 3529649), (19, 928855), (23, 767315), (41, 430445), (95, 185771), (115, 153463), (197, 89585), (205, 86089), (437, 40385), (779, 22655), (943, 18715), (985, 17917), (2185, 8077), (3743, 4715), (3895, 4531)]