28774830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 79377408

約数和(自身を除く): 50602578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 263, 521, 526, 789, 1042, 1315, 1563, 1578, 1841, 2605, 2630, 3126, 3647, 3682, 3945, 5210, 5523, 7294, 7815, 7890, 9205, 10941, 11046, 15630, 18235, 18410, 21882, 27615, 36470, 54705, 55230, 109410, 137023, 274046, 411069, 685115, 822138, 959161, 1370230, 1918322, 2055345, 2877483, 4110690, 4795805, 5754966, 9591610, 14387415, 28774830]

約数ペア:

[(1, 28774830), (2, 14387415), (3, 9591610), (5, 5754966), (6, 4795805), (7, 4110690), (10, 2877483), (14, 2055345), (15, 1918322), (21, 1370230), (30, 959161), (35, 822138), (42, 685115), (70, 411069), (105, 274046), (210, 137023), (263, 109410), (521, 55230), (526, 54705), (789, 36470), (1042, 27615), (1315, 21882), (1563, 18410), (1578, 18235), (1841, 15630), (2605, 11046), (2630, 10941), (3126, 9205), (3647, 7890), (3682, 7815), (3945, 7294), (5210, 5523)]