15968844

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 42806400

約数和(自身を除く): 26837556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 349, 369, 372, 492, 558, 698, 738, 1047, 1116, 1271, 1396, 1476, 2094, 2542, 3141, 3813, 4188, 5084, 6282, 7626, 10819, 11439, 12564, 14309, 15252, 21638, 22878, 28618, 32457, 42927, 43276, 45756, 57236, 64914, 85854, 97371, 128781, 129828, 171708, 194742, 257562, 389484, 443579, 515124, 887158, 1330737, 1774316, 2661474, 3992211, 5322948, 7984422, 15968844]

約数ペア:

[(1, 15968844), (2, 7984422), (3, 5322948), (4, 3992211), (6, 2661474), (9, 1774316), (12, 1330737), (18, 887158), (31, 515124), (36, 443579), (41, 389484), (62, 257562), (82, 194742), (93, 171708), (123, 129828), (124, 128781), (164, 97371), (186, 85854), (246, 64914), (279, 57236), (349, 45756), (369, 43276), (372, 42927), (492, 32457), (558, 28618), (698, 22878), (738, 21638), (1047, 15252), (1116, 14309), (1271, 12564), (1396, 11439), (1476, 10819), (2094, 7626), (2542, 6282), (3141, 5084), (3813, 4188)]