28665414

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 69115200

約数和(自身を除く): 40449786

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 81, 114, 134, 139, 162, 171, 201, 278, 342, 402, 417, 513, 603, 834, 1026, 1206, 1251, 1273, 1539, 1809, 2502, 2546, 2641, 3078, 3618, 3753, 3819, 5282, 5427, 7506, 7638, 7923, 9313, 10854, 11259, 11457, 15846, 18626, 22518, 22914, 23769, 27939, 34371, 47538, 55878, 68742, 71307, 83817, 103113, 142614, 167634, 176947, 206226, 213921, 251451, 353894, 427842, 502902, 530841, 754353, 1061682, 1508706, 1592523, 3185046, 4777569, 9555138, 14332707, 28665414]

約数ペア:

[(1, 28665414), (2, 14332707), (3, 9555138), (6, 4777569), (9, 3185046), (18, 1592523), (19, 1508706), (27, 1061682), (38, 754353), (54, 530841), (57, 502902), (67, 427842), (81, 353894), (114, 251451), (134, 213921), (139, 206226), (162, 176947), (171, 167634), (201, 142614), (278, 103113), (342, 83817), (402, 71307), (417, 68742), (513, 55878), (603, 47538), (834, 34371), (1026, 27939), (1206, 23769), (1251, 22914), (1273, 22518), (1539, 18626), (1809, 15846), (2502, 11457), (2546, 11259), (2641, 10854), (3078, 9313), (3618, 7923), (3753, 7638), (3819, 7506), (5282, 5427)]