1998996

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3081324

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 239, 246, 478, 492, 697, 717, 956, 1394, 1434, 2091, 2788, 2868, 4063, 4182, 8126, 8364, 9799, 12189, 16252, 19598, 24378, 29397, 39196, 48756, 58794, 117588, 166583, 333166, 499749, 666332, 999498, 1998996]

約数ペア:

[(1, 1998996), (2, 999498), (3, 666332), (4, 499749), (6, 333166), (12, 166583), (17, 117588), (34, 58794), (41, 48756), (51, 39196), (68, 29397), (82, 24378), (102, 19598), (123, 16252), (164, 12189), (204, 9799), (239, 8364), (246, 8126), (478, 4182), (492, 4063), (697, 2868), (717, 2788), (956, 2091), (1394, 1434)]