239978826

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1291}}^1$

素因数の和:1771

約数の個数: 48

約数和(自身を含む): 544190400

約数和(自身を除く): 304211574

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 449, 898, 1291, 1347, 2582, 2694, 3873, 4041, 7746, 8082, 10327, 11619, 20654, 23238, 29693, 30981, 59386, 61962, 89079, 92943, 178158, 185886, 267237, 534474, 579659, 1159318, 1738977, 3477954, 5216931, 10433862, 13332157, 26664314, 39996471, 79992942, 119989413, 239978826]

約数ペア:

[(1, 239978826), (2, 119989413), (3, 79992942), (6, 39996471), (9, 26664314), (18, 13332157), (23, 10433862), (46, 5216931), (69, 3477954), (138, 1738977), (207, 1159318), (414, 579659), (449, 534474), (898, 267237), (1291, 185886), (1347, 178158), (2582, 92943), (2694, 89079), (3873, 61962), (4041, 59386), (7746, 30981), (8082, 29693), (10327, 23238), (11619, 20654)]