451984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 984312

約数和(自身を除く): 532328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 53, 82, 104, 106, 164, 208, 212, 328, 424, 533, 656, 689, 848, 1066, 1378, 2132, 2173, 2756, 4264, 4346, 5512, 8528, 8692, 11024, 17384, 28249, 34768, 56498, 112996, 225992, 451984]

約数ペア:

[(1, 451984), (2, 225992), (4, 112996), (8, 56498), (13, 34768), (16, 28249), (26, 17384), (41, 11024), (52, 8692), (53, 8528), (82, 5512), (104, 4346), (106, 4264), (164, 2756), (208, 2173), (212, 2132), (328, 1378), (424, 1066), (533, 848), (656, 689)]