199317668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 393458688

約数和(自身を除く): 194141020

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 191, 382, 407, 641, 764, 814, 1282, 1628, 2101, 2564, 4202, 7051, 7067, 8404, 14102, 14134, 23717, 28204, 28268, 47434, 77737, 94868, 122431, 155474, 244862, 260887, 310948, 489724, 521774, 1043548, 1346741, 2693482, 4529947, 5386964, 9059894, 18119788, 49829417, 99658834, 199317668]

約数ペア:

[(1, 199317668), (2, 99658834), (4, 49829417), (11, 18119788), (22, 9059894), (37, 5386964), (44, 4529947), (74, 2693482), (148, 1346741), (191, 1043548), (382, 521774), (407, 489724), (641, 310948), (764, 260887), (814, 244862), (1282, 155474), (1628, 122431), (2101, 94868), (2564, 77737), (4202, 47434), (7051, 28268), (7067, 28204), (8404, 23717), (14102, 14134)]