201320665

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 312560640

約数和(自身を除く): 111239975

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 403, 455, 637, 1085, 1519, 2015, 2039, 2821, 3185, 7595, 10195, 14105, 14273, 19747, 26507, 63209, 71365, 98735, 99911, 132535, 185549, 316045, 442463, 499555, 821717, 927745, 1298843, 2212315, 3097241, 4108585, 5752019, 6494215, 15486205, 28760095, 40264133, 201320665]

約数ペア:

[(1, 201320665), (5, 40264133), (7, 28760095), (13, 15486205), (31, 6494215), (35, 5752019), (49, 4108585), (65, 3097241), (91, 2212315), (155, 1298843), (217, 927745), (245, 821717), (403, 499555), (455, 442463), (637, 316045), (1085, 185549), (1519, 132535), (2015, 99911), (2039, 98735), (2821, 71365), (3185, 63209), (7595, 26507), (10195, 19747), (14105, 14273)]