641243806

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1\times {\mathrm{1619}}^1$

素因数の和:3136

約数の個数: 32

約数和(自身を含む): 1158624000

約数和(自身を除く): 517380194

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1489, 1619, 2978, 3238, 10423, 11333, 20846, 22666, 28291, 30761, 56582, 61522, 198037, 215327, 396074, 430654, 2410691, 4821382, 16874837, 33749674, 45803129, 91606258, 320621903, 641243806]

約数ペア:

[(1, 641243806), (2, 320621903), (7, 91606258), (14, 45803129), (19, 33749674), (38, 16874837), (133, 4821382), (266, 2410691), (1489, 430654), (1619, 396074), (2978, 215327), (3238, 198037), (10423, 61522), (11333, 56582), (20846, 30761), (22666, 28291)]