28275804

素因数分解:

$2^2\times 3^4\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:656

約数の個数: 60

約数和(自身を含む): 74461464

約数和(自身を除く): 46185660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 197, 324, 394, 443, 591, 788, 886, 1182, 1329, 1772, 1773, 2364, 2658, 3546, 3987, 5316, 5319, 7092, 7974, 10638, 11961, 15948, 15957, 21276, 23922, 31914, 35883, 47844, 63828, 71766, 87271, 143532, 174542, 261813, 349084, 523626, 785439, 1047252, 1570878, 2356317, 3141756, 4712634, 7068951, 9425268, 14137902, 28275804]

約数ペア:

[(1, 28275804), (2, 14137902), (3, 9425268), (4, 7068951), (6, 4712634), (9, 3141756), (12, 2356317), (18, 1570878), (27, 1047252), (36, 785439), (54, 523626), (81, 349084), (108, 261813), (162, 174542), (197, 143532), (324, 87271), (394, 71766), (443, 63828), (591, 47844), (788, 35883), (886, 31914), (1182, 23922), (1329, 21276), (1772, 15957), (1773, 15948), (2364, 11961), (2658, 10638), (3546, 7974), (3987, 7092), (5316, 5319)]