681495536

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{541}}^1\times {\mathrm{601}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 1335154128

約数和(自身を除く): 653658592

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 541, 601, 1048, 1082, 1202, 2096, 2164, 2404, 4328, 4808, 8656, 9616, 70871, 78731, 141742, 157462, 283484, 314924, 325141, 566968, 629848, 650282, 1133936, 1259696, 1300564, 2601128, 5202256, 42593471, 85186942, 170373884, 340747768, 681495536]

約数ペア:

[(1, 681495536), (2, 340747768), (4, 170373884), (8, 85186942), (16, 42593471), (131, 5202256), (262, 2601128), (524, 1300564), (541, 1259696), (601, 1133936), (1048, 650282), (1082, 629848), (1202, 566968), (2096, 325141), (2164, 314924), (2404, 283484), (4328, 157462), (4808, 141742), (8656, 78731), (9616, 70871)]