28491108

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 75264000

約数和(自身を除く): 46772892

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 31, 38, 57, 58, 62, 76, 87, 93, 114, 116, 124, 139, 174, 186, 228, 278, 348, 372, 417, 551, 556, 589, 834, 899, 1102, 1178, 1653, 1668, 1767, 1798, 2204, 2356, 2641, 2697, 3306, 3534, 3596, 4031, 4309, 5282, 5394, 6612, 7068, 7923, 8062, 8618, 10564, 10788, 12093, 12927, 15846, 16124, 17081, 17236, 24186, 25854, 31692, 34162, 48372, 51243, 51708, 68324, 76589, 81871, 102486, 124961, 153178, 163742, 204972, 229767, 245613, 249922, 306356, 327484, 374883, 459534, 491226, 499844, 749766, 919068, 982452, 1499532, 2374259, 4748518, 7122777, 9497036, 14245554, 28491108]

約数ペア:

[(1, 28491108), (2, 14245554), (3, 9497036), (4, 7122777), (6, 4748518), (12, 2374259), (19, 1499532), (29, 982452), (31, 919068), (38, 749766), (57, 499844), (58, 491226), (62, 459534), (76, 374883), (87, 327484), (93, 306356), (114, 249922), (116, 245613), (124, 229767), (139, 204972), (174, 163742), (186, 153178), (228, 124961), (278, 102486), (348, 81871), (372, 76589), (417, 68324), (551, 51708), (556, 51243), (589, 48372), (834, 34162), (899, 31692), (1102, 25854), (1178, 24186), (1653, 17236), (1668, 17081), (1767, 16124), (1798, 15846), (2204, 12927), (2356, 12093), (2641, 10788), (2697, 10564), (3306, 8618), (3534, 8062), (3596, 7923), (4031, 7068), (4309, 6612), (5282, 5394)]