181899788

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 370960128

約数和(自身を除く): 189060340

約数列:

[1, 2, 4, 7, 14, 28, 101, 131, 202, 262, 404, 491, 524, 707, 917, 982, 1414, 1834, 1964, 2828, 3437, 3668, 6874, 13231, 13748, 26462, 49591, 52924, 64321, 92617, 99182, 128642, 185234, 198364, 257284, 347137, 370468, 450247, 694274, 900494, 1388548, 1800988, 6496421, 12992842, 25985684, 45474947, 90949894, 181899788]

約数ペア:

[(1, 181899788), (2, 90949894), (4, 45474947), (7, 25985684), (14, 12992842), (28, 6496421), (101, 1800988), (131, 1388548), (202, 900494), (262, 694274), (404, 450247), (491, 370468), (524, 347137), (707, 257284), (917, 198364), (982, 185234), (1414, 128642), (1834, 99182), (1964, 92617), (2828, 64321), (3437, 52924), (3668, 49591), (6874, 26462), (13231, 13748)]