388705428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2383}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 1030917888

約数和(自身を除く): 642212460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 197, 207, 276, 394, 414, 591, 788, 828, 1182, 1773, 2364, 2383, 3546, 4531, 4766, 7092, 7149, 9062, 9532, 13593, 14298, 18124, 21447, 27186, 28596, 40779, 42894, 54372, 54809, 81558, 85788, 109618, 163116, 164427, 219236, 328854, 469451, 493281, 657708, 938902, 986562, 1408353, 1877804, 1973124, 2816706, 4225059, 5633412, 8450118, 10797373, 16900236, 21594746, 32392119, 43189492, 64784238, 97176357, 129568476, 194352714, 388705428]

約数ペア:

[(1, 388705428), (2, 194352714), (3, 129568476), (4, 97176357), (6, 64784238), (9, 43189492), (12, 32392119), (18, 21594746), (23, 16900236), (36, 10797373), (46, 8450118), (69, 5633412), (92, 4225059), (138, 2816706), (197, 1973124), (207, 1877804), (276, 1408353), (394, 986562), (414, 938902), (591, 657708), (788, 493281), (828, 469451), (1182, 328854), (1773, 219236), (2364, 164427), (2383, 163116), (3546, 109618), (4531, 85788), (4766, 81558), (7092, 54809), (7149, 54372), (9062, 42894), (9532, 40779), (13593, 28596), (14298, 27186), (18124, 21447)]