28219758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 68124672

約数和(自身を除く): 39904914

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 131, 138, 161, 223, 262, 322, 393, 446, 483, 669, 786, 917, 966, 1338, 1561, 1834, 2751, 3013, 3122, 4683, 5129, 5502, 6026, 9039, 9366, 10258, 15387, 18078, 21091, 29213, 30774, 35903, 42182, 58426, 63273, 71806, 87639, 107709, 126546, 175278, 204491, 215418, 408982, 613473, 671899, 1226946, 1343798, 2015697, 4031394, 4703293, 9406586, 14109879, 28219758]

約数ペア:

[(1, 28219758), (2, 14109879), (3, 9406586), (6, 4703293), (7, 4031394), (14, 2015697), (21, 1343798), (23, 1226946), (42, 671899), (46, 613473), (69, 408982), (131, 215418), (138, 204491), (161, 175278), (223, 126546), (262, 107709), (322, 87639), (393, 71806), (446, 63273), (483, 58426), (669, 42182), (786, 35903), (917, 30774), (966, 29213), (1338, 21091), (1561, 18078), (1834, 15387), (2751, 10258), (3013, 9366), (3122, 9039), (4683, 6026), (5129, 5502)]