128215671572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1\times {\mathrm{4177}}^1$

素因数の和:5400

約数の個数: 48

約数和(自身を含む): 231165063360

約数和(自身を除く): 102949391788

約数列:

[1, 2, 4, 43, 86, 172, 179, 358, 716, 997, 1994, 3988, 4177, 7697, 8354, 15394, 16708, 30788, 42871, 85742, 171484, 178463, 179611, 356926, 359222, 713852, 718444, 747683, 1495366, 2990732, 4164469, 7673909, 8328938, 15347818, 16657876, 30695636, 32150369, 64300738, 128601476, 179072167, 358144334, 716288668, 745439951, 1490879902, 2981759804, 32053917893, 64107835786, 128215671572]

約数ペア:

[(1, 128215671572), (2, 64107835786), (4, 32053917893), (43, 2981759804), (86, 1490879902), (172, 745439951), (179, 716288668), (358, 358144334), (716, 179072167), (997, 128601476), (1994, 64300738), (3988, 32150369), (4177, 30695636), (7697, 16657876), (8354, 15347818), (15394, 8328938), (16708, 7673909), (30788, 4164469), (42871, 2990732), (85742, 1495366), (171484, 747683), (178463, 718444), (179611, 713852), (356926, 359222)]