28761590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20113}}^1$

素因数の和:20144

約数の個数: 32

約数和(自身を含む): 60824736

約数和(自身を除く): 32063146

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20113, 40226, 100565, 201130, 221243, 261469, 442486, 522938, 1106215, 1307345, 2212430, 2614690, 2876159, 5752318, 14380795, 28761590]

約数ペア:

[(1, 28761590), (2, 14380795), (5, 5752318), (10, 2876159), (11, 2614690), (13, 2212430), (22, 1307345), (26, 1106215), (55, 522938), (65, 442486), (110, 261469), (130, 221243), (143, 201130), (286, 100565), (715, 40226), (1430, 20113)]