80821278

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 181813632

約数和(自身を除く): 100992354

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 241, 279, 482, 558, 601, 723, 1202, 1446, 1803, 2169, 3606, 4338, 5409, 7471, 10818, 14942, 18631, 22413, 37262, 44826, 55893, 67239, 111786, 134478, 144841, 167679, 289682, 335358, 434523, 869046, 1303569, 2607138, 4490071, 8980142, 13470213, 26940426, 40410639, 80821278]

約数ペア:

[(1, 80821278), (2, 40410639), (3, 26940426), (6, 13470213), (9, 8980142), (18, 4490071), (31, 2607138), (62, 1303569), (93, 869046), (186, 434523), (241, 335358), (279, 289682), (482, 167679), (558, 144841), (601, 134478), (723, 111786), (1202, 67239), (1446, 55893), (1803, 44826), (2169, 37262), (3606, 22413), (4338, 18631), (5409, 14942), (7471, 10818)]