201631668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2503}}^1$

素因数の和:2661

約数の個数: 72

約数和(自身を含む): 551500992

約数和(自身を除く): 349869324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 1644, 1918, 2503, 2877, 3836, 5006, 5754, 6713, 7509, 10012, 11508, 13426, 15018, 17521, 20139, 26852, 30036, 35042, 40278, 52563, 70084, 80556, 105126, 122647, 210252, 245294, 342911, 367941, 490588, 685822, 735882, 1028733, 1371644, 1471764, 2057466, 2400377, 4114932, 4800754, 7201131, 9601508, 14402262, 16802639, 28804524, 33605278, 50407917, 67210556, 100815834, 201631668]

約数ペア:

[(1, 201631668), (2, 100815834), (3, 67210556), (4, 50407917), (6, 33605278), (7, 28804524), (12, 16802639), (14, 14402262), (21, 9601508), (28, 7201131), (42, 4800754), (49, 4114932), (84, 2400377), (98, 2057466), (137, 1471764), (147, 1371644), (196, 1028733), (274, 735882), (294, 685822), (411, 490588), (548, 367941), (588, 342911), (822, 245294), (959, 210252), (1644, 122647), (1918, 105126), (2503, 80556), (2877, 70084), (3836, 52563), (5006, 40278), (5754, 35042), (6713, 30036), (7509, 26852), (10012, 20139), (11508, 17521), (13426, 15018)]