668836025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3067}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 990644928

約数和(自身を除く): 321808903

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 143, 275, 305, 325, 671, 715, 793, 1525, 3067, 3355, 3575, 3965, 8723, 15335, 16775, 19825, 33737, 39871, 43615, 76675, 168685, 187087, 199355, 218075, 438581, 843425, 935435, 996775, 2057957, 2192905, 2432131, 4677175, 10289785, 10964525, 12160655, 26753441, 51448925, 60803275, 133767205, 668836025]

約数ペア:

[(1, 668836025), (5, 133767205), (11, 60803275), (13, 51448925), (25, 26753441), (55, 12160655), (61, 10964525), (65, 10289785), (143, 4677175), (275, 2432131), (305, 2192905), (325, 2057957), (671, 996775), (715, 935435), (793, 843425), (1525, 438581), (3067, 218075), (3355, 199355), (3575, 187087), (3965, 168685), (8723, 76675), (15335, 43615), (16775, 39871), (19825, 33737)]