7220646

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 16885440

約数和(自身を除く): 9664794

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 491, 774, 817, 982, 1473, 1634, 2451, 2946, 4419, 4902, 7353, 8838, 9329, 14706, 18658, 21113, 27987, 42226, 55974, 63339, 83961, 126678, 167922, 190017, 380034, 401147, 802294, 1203441, 2406882, 3610323, 7220646]

約数ペア:

[(1, 7220646), (2, 3610323), (3, 2406882), (6, 1203441), (9, 802294), (18, 401147), (19, 380034), (38, 190017), (43, 167922), (57, 126678), (86, 83961), (114, 63339), (129, 55974), (171, 42226), (258, 27987), (342, 21113), (387, 18658), (491, 14706), (774, 9329), (817, 8838), (982, 7353), (1473, 4902), (1634, 4419), (2451, 2946)]