277564235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 373309440

約数和(自身を除く): 95745205

約数列:

[1, 5, 13, 31, 65, 139, 155, 403, 695, 991, 1807, 2015, 4309, 4955, 9035, 12883, 21545, 30721, 56017, 64415, 137749, 153605, 280085, 399373, 688745, 1790737, 1996865, 4270219, 8953685, 21351095, 55512847, 277564235]

約数ペア:

[(1, 277564235), (5, 55512847), (13, 21351095), (31, 8953685), (65, 4270219), (139, 1996865), (155, 1790737), (403, 688745), (695, 399373), (991, 280085), (1807, 153605), (2015, 137749), (4309, 64415), (4955, 56017), (9035, 30721), (12883, 21545)]