27991730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 54586224

約数和(自身を除く): 26594494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1093, 1970, 2186, 2561, 5122, 5465, 10930, 12805, 14209, 25610, 28418, 71045, 142090, 215321, 430642, 1076605, 2153210, 2799173, 5598346, 13995865, 27991730]

約数ペア:

[(1, 27991730), (2, 13995865), (5, 5598346), (10, 2799173), (13, 2153210), (26, 1076605), (65, 430642), (130, 215321), (197, 142090), (394, 71045), (985, 28418), (1093, 25610), (1970, 14209), (2186, 12805), (2561, 10930), (5122, 5465)]