28380548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 60762240

約数和(自身を除く): 32381692

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 109, 119, 218, 238, 436, 476, 547, 763, 1094, 1526, 1853, 2188, 3052, 3706, 3829, 7412, 7658, 9299, 12971, 15316, 18598, 25942, 37196, 51884, 59623, 65093, 119246, 130186, 238492, 260372, 417361, 834722, 1013591, 1669444, 2027182, 4054364, 7095137, 14190274, 28380548]

約数ペア:

[(1, 28380548), (2, 14190274), (4, 7095137), (7, 4054364), (14, 2027182), (17, 1669444), (28, 1013591), (34, 834722), (68, 417361), (109, 260372), (119, 238492), (218, 130186), (238, 119246), (436, 65093), (476, 59623), (547, 51884), (763, 37196), (1094, 25942), (1526, 18598), (1853, 15316), (2188, 12971), (3052, 9299), (3706, 7658), (3829, 7412)]