30897988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 61415424

約数和(自身を除く): 30517436

約数列:

[1, 2, 4, 11, 22, 44, 47, 67, 94, 134, 188, 223, 268, 446, 517, 737, 892, 1034, 1474, 2068, 2453, 2948, 3149, 4906, 6298, 9812, 10481, 12596, 14941, 20962, 29882, 34639, 41924, 59764, 69278, 115291, 138556, 164351, 230582, 328702, 461164, 657404, 702227, 1404454, 2808908, 7724497, 15448994, 30897988]

約数ペア:

[(1, 30897988), (2, 15448994), (4, 7724497), (11, 2808908), (22, 1404454), (44, 702227), (47, 657404), (67, 461164), (94, 328702), (134, 230582), (188, 164351), (223, 138556), (268, 115291), (446, 69278), (517, 59764), (737, 41924), (892, 34639), (1034, 29882), (1474, 20962), (2068, 14941), (2453, 12596), (2948, 10481), (3149, 9812), (4906, 6298)]