215533948

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 477012480

約数和(自身を除く): 261478532

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1519, 1862, 1867, 2356, 3038, 3724, 3734, 4123, 6076, 7468, 8246, 13069, 16492, 26138, 28861, 35473, 52276, 57722, 57877, 70946, 91483, 115444, 115754, 141892, 182966, 231508, 248311, 365932, 405139, 496622, 810278, 993244, 1099663, 1620556, 1738177, 2199326, 2835973, 3476354, 4398652, 5671946, 6952708, 7697641, 11343892, 15395282, 30790564, 53883487, 107766974, 215533948]

約数ペア:

[(1, 215533948), (2, 107766974), (4, 53883487), (7, 30790564), (14, 15395282), (19, 11343892), (28, 7697641), (31, 6952708), (38, 5671946), (49, 4398652), (62, 3476354), (76, 2835973), (98, 2199326), (124, 1738177), (133, 1620556), (196, 1099663), (217, 993244), (266, 810278), (434, 496622), (532, 405139), (589, 365932), (868, 248311), (931, 231508), (1178, 182966), (1519, 141892), (1862, 115754), (1867, 115444), (2356, 91483), (3038, 70946), (3724, 57877), (3734, 57722), (4123, 52276), (6076, 35473), (7468, 28861), (8246, 26138), (13069, 16492)]