28539390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 75271680

約数和(自身を除く): 46732290

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 197, 330, 394, 439, 591, 878, 985, 1182, 1317, 1970, 2167, 2195, 2634, 2955, 4334, 4390, 4829, 5910, 6501, 6585, 9658, 10835, 13002, 13170, 14487, 21670, 24145, 28974, 32505, 48290, 65010, 72435, 86483, 144870, 172966, 259449, 432415, 518898, 864830, 951313, 1297245, 1902626, 2594490, 2853939, 4756565, 5707878, 9513130, 14269695, 28539390]

約数ペア:

[(1, 28539390), (2, 14269695), (3, 9513130), (5, 5707878), (6, 4756565), (10, 2853939), (11, 2594490), (15, 1902626), (22, 1297245), (30, 951313), (33, 864830), (55, 518898), (66, 432415), (110, 259449), (165, 172966), (197, 144870), (330, 86483), (394, 72435), (439, 65010), (591, 48290), (878, 32505), (985, 28974), (1182, 24145), (1317, 21670), (1970, 14487), (2167, 13170), (2195, 13002), (2634, 10835), (2955, 9658), (4334, 6585), (4390, 6501), (4829, 5910)]