28203786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2803}}^1$

素因数の和:2867

約数の個数: 48

約数和(自身を含む): 67363296

約数和(自身を除く): 39159510

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2803, 3354, 5031, 5606, 8409, 10062, 16818, 25227, 36439, 50454, 72878, 109317, 120529, 218634, 241058, 327951, 361587, 655902, 723174, 1084761, 1566877, 2169522, 3133754, 4700631, 9401262, 14101893, 28203786]

約数ペア:

[(1, 28203786), (2, 14101893), (3, 9401262), (6, 4700631), (9, 3133754), (13, 2169522), (18, 1566877), (26, 1084761), (39, 723174), (43, 655902), (78, 361587), (86, 327951), (117, 241058), (129, 218634), (234, 120529), (258, 109317), (387, 72878), (559, 50454), (774, 36439), (1118, 25227), (1677, 16818), (2803, 10062), (3354, 8409), (5031, 5606)]