8380356

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 20328000

約数和(自身を除く): 11947644

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 109, 129, 149, 172, 218, 258, 298, 327, 436, 447, 516, 596, 654, 894, 1308, 1788, 4687, 6407, 9374, 12814, 14061, 16241, 18748, 19221, 25628, 28122, 32482, 38442, 48723, 56244, 64964, 76884, 97446, 194892, 698363, 1396726, 2095089, 2793452, 4190178, 8380356]

約数ペア:

[(1, 8380356), (2, 4190178), (3, 2793452), (4, 2095089), (6, 1396726), (12, 698363), (43, 194892), (86, 97446), (109, 76884), (129, 64964), (149, 56244), (172, 48723), (218, 38442), (258, 32482), (298, 28122), (327, 25628), (436, 19221), (447, 18748), (516, 16241), (596, 14061), (654, 12814), (894, 9374), (1308, 6407), (1788, 4687)]