81386838

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1229}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 190728720

約数和(自身を除く): 109341882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 283, 566, 849, 1229, 1698, 2458, 2547, 3679, 3687, 5094, 7358, 7374, 11037, 11061, 15977, 22074, 22122, 31954, 33111, 47931, 66222, 95862, 143793, 287586, 347807, 695614, 1043421, 2086842, 3130263, 4521491, 6260526, 9042982, 13564473, 27128946, 40693419, 81386838]

約数ペア:

[(1, 81386838), (2, 40693419), (3, 27128946), (6, 13564473), (9, 9042982), (13, 6260526), (18, 4521491), (26, 3130263), (39, 2086842), (78, 1043421), (117, 695614), (234, 347807), (283, 287586), (566, 143793), (849, 95862), (1229, 66222), (1698, 47931), (2458, 33111), (2547, 31954), (3679, 22122), (3687, 22074), (5094, 15977), (7358, 11061), (7374, 11037)]