28563276

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1619

約数の個数: 72

約数和(自身を含む): 80080896

約数和(自身を除く): 51517620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 1567, 2604, 3038, 3134, 4557, 4701, 6076, 6268, 9114, 9402, 10969, 18228, 18804, 21938, 32907, 43876, 48577, 65814, 76783, 97154, 131628, 145731, 153566, 194308, 230349, 291462, 307132, 340039, 460698, 582924, 680078, 921396, 1020117, 1360156, 2040234, 2380273, 4080468, 4760546, 7140819, 9521092, 14281638, 28563276]

約数ペア:

[(1, 28563276), (2, 14281638), (3, 9521092), (4, 7140819), (6, 4760546), (7, 4080468), (12, 2380273), (14, 2040234), (21, 1360156), (28, 1020117), (31, 921396), (42, 680078), (49, 582924), (62, 460698), (84, 340039), (93, 307132), (98, 291462), (124, 230349), (147, 194308), (186, 153566), (196, 145731), (217, 131628), (294, 97154), (372, 76783), (434, 65814), (588, 48577), (651, 43876), (868, 32907), (1302, 21938), (1519, 18804), (1567, 18228), (2604, 10969), (3038, 9402), (3134, 9114), (4557, 6268), (4701, 6076)]