399888908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{12253}}^1$

素因数の和:12497

約数の個数: 24

約数和(自身を含む): 720535200

約数和(自身を除く): 320646292

約数列:

[1, 2, 4, 41, 82, 164, 199, 398, 796, 8159, 12253, 16318, 24506, 32636, 49012, 502373, 1004746, 2009492, 2438347, 4876694, 9753388, 99972227, 199944454, 399888908]

約数ペア:

[(1, 399888908), (2, 199944454), (4, 99972227), (41, 9753388), (82, 4876694), (164, 2438347), (199, 2009492), (398, 1004746), (796, 502373), (8159, 49012), (12253, 32636), (16318, 24506)]