201287216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 465438960

約数和(自身を除く): 264151744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 53, 62, 76, 104, 106, 124, 152, 208, 212, 247, 248, 304, 403, 424, 494, 496, 589, 689, 806, 848, 961, 988, 1007, 1178, 1378, 1612, 1643, 1922, 1976, 2014, 2356, 2756, 3224, 3286, 3844, 3952, 4028, 4712, 5512, 6448, 6572, 7657, 7688, 8056, 9424, 11024, 12493, 13091, 13144, 15314, 15376, 16112, 18259, 21359, 24986, 26182, 26288, 30628, 31217, 36518, 42718, 49972, 50933, 52364, 61256, 62434, 73036, 85436, 99944, 101866, 104728, 122512, 124868, 146072, 170872, 199888, 203732, 209456, 237367, 249736, 292144, 341744, 405821, 407464, 474734, 499472, 662129, 811642, 814928, 949468, 967727, 1324258, 1623284, 1898936, 1935454, 2648516, 3246568, 3797872, 3870908, 5297032, 6493136, 7741816, 10594064, 12580451, 15483632, 25160902, 50321804, 100643608, 201287216]

約数ペア:

[(1, 201287216), (2, 100643608), (4, 50321804), (8, 25160902), (13, 15483632), (16, 12580451), (19, 10594064), (26, 7741816), (31, 6493136), (38, 5297032), (52, 3870908), (53, 3797872), (62, 3246568), (76, 2648516), (104, 1935454), (106, 1898936), (124, 1623284), (152, 1324258), (208, 967727), (212, 949468), (247, 814928), (248, 811642), (304, 662129), (403, 499472), (424, 474734), (494, 407464), (496, 405821), (589, 341744), (689, 292144), (806, 249736), (848, 237367), (961, 209456), (988, 203732), (1007, 199888), (1178, 170872), (1378, 146072), (1612, 124868), (1643, 122512), (1922, 104728), (1976, 101866), (2014, 99944), (2356, 85436), (2756, 73036), (3224, 62434), (3286, 61256), (3844, 52364), (3952, 50933), (4028, 49972), (4712, 42718), (5512, 36518), (6448, 31217), (6572, 30628), (7657, 26288), (7688, 26182), (8056, 24986), (9424, 21359), (11024, 18259), (12493, 16112), (13091, 15376), (13144, 15314)]