123537715

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 68062925

約数列:

[1, 5, 7, 19, 23, 35, 41, 95, 115, 133, 161, 197, 205, 287, 437, 665, 779, 805, 943, 985, 1379, 1435, 2185, 3059, 3743, 3895, 4531, 4715, 5453, 6601, 6895, 8077, 15295, 17917, 18715, 22655, 26201, 27265, 31717, 33005, 40385, 56539, 86089, 89585, 125419, 131005, 153463, 158585, 185771, 282695, 430445, 602623, 627095, 767315, 928855, 1074241, 1300397, 3013115, 3529649, 5371205, 6501985, 17648245, 24707543, 123537715]

約数ペア:

[(1, 123537715), (5, 24707543), (7, 17648245), (19, 6501985), (23, 5371205), (35, 3529649), (41, 3013115), (95, 1300397), (115, 1074241), (133, 928855), (161, 767315), (197, 627095), (205, 602623), (287, 430445), (437, 282695), (665, 185771), (779, 158585), (805, 153463), (943, 131005), (985, 125419), (1379, 89585), (1435, 86089), (2185, 56539), (3059, 40385), (3743, 33005), (3895, 31717), (4531, 27265), (4715, 26201), (5453, 22655), (6601, 18715), (6895, 17917), (8077, 15295)]