28417428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 79298856

約数和(自身を除く): 50881428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1481, 1599, 2132, 2962, 3198, 4443, 4797, 5924, 6396, 8886, 9594, 13329, 17772, 19188, 19253, 26658, 38506, 53316, 57759, 60721, 77012, 115518, 121442, 173277, 182163, 231036, 242884, 346554, 364326, 546489, 693108, 728652, 789373, 1092978, 1578746, 2185956, 2368119, 3157492, 4736238, 7104357, 9472476, 14208714, 28417428]

約数ペア:

[(1, 28417428), (2, 14208714), (3, 9472476), (4, 7104357), (6, 4736238), (9, 3157492), (12, 2368119), (13, 2185956), (18, 1578746), (26, 1092978), (36, 789373), (39, 728652), (41, 693108), (52, 546489), (78, 364326), (82, 346554), (117, 242884), (123, 231036), (156, 182163), (164, 173277), (234, 121442), (246, 115518), (369, 77012), (468, 60721), (492, 57759), (533, 53316), (738, 38506), (1066, 26658), (1476, 19253), (1481, 19188), (1599, 17772), (2132, 13329), (2962, 9594), (3198, 8886), (4443, 6396), (4797, 5924)]