7873938

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 17911296

約数和(自身を除く): 10037358

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 137, 186, 206, 274, 279, 309, 411, 558, 618, 822, 927, 1233, 1854, 2466, 3193, 4247, 6386, 8494, 9579, 12741, 14111, 19158, 25482, 28222, 28737, 38223, 42333, 57474, 76446, 84666, 126999, 253998, 437441, 874882, 1312323, 2624646, 3936969, 7873938]

約数ペア:

[(1, 7873938), (2, 3936969), (3, 2624646), (6, 1312323), (9, 874882), (18, 437441), (31, 253998), (62, 126999), (93, 84666), (103, 76446), (137, 57474), (186, 42333), (206, 38223), (274, 28737), (279, 28222), (309, 25482), (411, 19158), (558, 14111), (618, 12741), (822, 9579), (927, 8494), (1233, 6386), (1854, 4247), (2466, 3193)]