281617812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2393}}^1$

素因数の和:2877

約数の個数: 72

約数和(自身を含む): 815645376

約数和(自身を除く): 534027564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 467, 934, 1401, 1868, 2393, 2802, 3269, 4203, 4786, 5604, 6538, 7179, 8406, 9572, 9807, 13076, 14358, 16751, 16812, 19614, 21537, 28716, 29421, 33502, 39228, 43074, 50253, 58842, 67004, 86148, 100506, 117684, 150759, 201012, 301518, 603036, 1117531, 2235062, 3352593, 4470124, 6705186, 7822717, 10057779, 13410372, 15645434, 20115558, 23468151, 31290868, 40231116, 46936302, 70404453, 93872604, 140808906, 281617812]

約数ペア:

[(1, 281617812), (2, 140808906), (3, 93872604), (4, 70404453), (6, 46936302), (7, 40231116), (9, 31290868), (12, 23468151), (14, 20115558), (18, 15645434), (21, 13410372), (28, 10057779), (36, 7822717), (42, 6705186), (63, 4470124), (84, 3352593), (126, 2235062), (252, 1117531), (467, 603036), (934, 301518), (1401, 201012), (1868, 150759), (2393, 117684), (2802, 100506), (3269, 86148), (4203, 67004), (4786, 58842), (5604, 50253), (6538, 43074), (7179, 39228), (8406, 33502), (9572, 29421), (9807, 28716), (13076, 21537), (14358, 19614), (16751, 16812)]