29985914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 54566400

約数和(自身を除く): 24580486

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 811, 973, 1622, 1946, 2641, 5282, 5677, 11354, 15409, 18487, 30818, 36974, 107863, 112729, 215726, 225458, 789103, 1578206, 2141851, 4283702, 14992957, 29985914]

約数ペア:

[(1, 29985914), (2, 14992957), (7, 4283702), (14, 2141851), (19, 1578206), (38, 789103), (133, 225458), (139, 215726), (266, 112729), (278, 107863), (811, 36974), (973, 30818), (1622, 18487), (1946, 15409), (2641, 11354), (5282, 5677)]