207877475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 293314560

約数和(自身を除く): 85437085

約数列:

[1, 5, 13, 25, 31, 47, 65, 155, 235, 325, 403, 439, 611, 775, 1175, 1457, 2015, 2195, 3055, 5707, 7285, 10075, 10975, 13609, 15275, 18941, 20633, 28535, 36425, 68045, 94705, 103165, 142675, 176917, 268229, 340225, 473525, 515825, 639623, 884585, 1341145, 3198115, 4422925, 6705725, 8315099, 15990575, 41575495, 207877475]

約数ペア:

[(1, 207877475), (5, 41575495), (13, 15990575), (25, 8315099), (31, 6705725), (47, 4422925), (65, 3198115), (155, 1341145), (235, 884585), (325, 639623), (403, 515825), (439, 473525), (611, 340225), (775, 268229), (1175, 176917), (1457, 142675), (2015, 103165), (2195, 94705), (3055, 68045), (5707, 36425), (7285, 28535), (10075, 20633), (10975, 18941), (13609, 15275)]