201718332

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 524684160

約数和(自身を除く): 322965828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 311, 387, 419, 516, 622, 774, 838, 933, 1244, 1257, 1548, 1676, 1866, 2514, 2799, 3732, 3771, 5028, 5598, 7542, 11196, 13373, 15084, 18017, 26746, 36034, 40119, 53492, 54051, 72068, 80238, 108102, 120357, 130309, 160476, 162153, 216204, 240714, 260618, 324306, 390927, 481428, 521236, 648612, 781854, 1172781, 1563708, 2345562, 4691124, 5603287, 11206574, 16809861, 22413148, 33619722, 50429583, 67239444, 100859166, 201718332]

約数ペア:

[(1, 201718332), (2, 100859166), (3, 67239444), (4, 50429583), (6, 33619722), (9, 22413148), (12, 16809861), (18, 11206574), (36, 5603287), (43, 4691124), (86, 2345562), (129, 1563708), (172, 1172781), (258, 781854), (311, 648612), (387, 521236), (419, 481428), (516, 390927), (622, 324306), (774, 260618), (838, 240714), (933, 216204), (1244, 162153), (1257, 160476), (1548, 130309), (1676, 120357), (1866, 108102), (2514, 80238), (2799, 72068), (3732, 54051), (3771, 53492), (5028, 40119), (5598, 36034), (7542, 26746), (11196, 18017), (13373, 15084)]