28650104

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 64152000

約数和(自身を除く): 35501896

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 197, 212, 343, 371, 392, 394, 424, 686, 742, 788, 1372, 1379, 1484, 1576, 2597, 2744, 2758, 2968, 5194, 5516, 9653, 10388, 10441, 11032, 18179, 19306, 20776, 20882, 36358, 38612, 41764, 67571, 72716, 73087, 77224, 83528, 135142, 145432, 146174, 270284, 292348, 511609, 540568, 584696, 1023218, 2046436, 3581263, 4092872, 7162526, 14325052, 28650104]

約数ペア:

[(1, 28650104), (2, 14325052), (4, 7162526), (7, 4092872), (8, 3581263), (14, 2046436), (28, 1023218), (49, 584696), (53, 540568), (56, 511609), (98, 292348), (106, 270284), (196, 146174), (197, 145432), (212, 135142), (343, 83528), (371, 77224), (392, 73087), (394, 72716), (424, 67571), (686, 41764), (742, 38612), (788, 36358), (1372, 20882), (1379, 20776), (1484, 19306), (1576, 18179), (2597, 11032), (2744, 10441), (2758, 10388), (2968, 9653), (5194, 5516)]