201881225

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 314563200

約数和(自身を除く): 112681975

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 343, 455, 637, 1225, 1715, 1811, 2275, 3185, 4459, 8575, 9055, 12677, 15925, 22295, 23543, 45275, 63385, 88739, 111475, 117715, 164801, 316925, 443695, 588575, 621173, 824005, 1153607, 2218475, 3105865, 4120025, 5768035, 8075249, 15529325, 28840175, 40376245, 201881225]

約数ペア:

[(1, 201881225), (5, 40376245), (7, 28840175), (13, 15529325), (25, 8075249), (35, 5768035), (49, 4120025), (65, 3105865), (91, 2218475), (175, 1153607), (245, 824005), (325, 621173), (343, 588575), (455, 443695), (637, 316925), (1225, 164801), (1715, 117715), (1811, 111475), (2275, 88739), (3185, 63385), (4459, 45275), (8575, 23543), (9055, 22295), (12677, 15925)]