31911074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 59076864

約数和(自身を除く): 27165790

約数列:

[1, 2, 13, 17, 23, 26, 34, 43, 46, 73, 86, 146, 221, 299, 391, 442, 559, 598, 731, 782, 949, 989, 1118, 1241, 1462, 1679, 1898, 1978, 2482, 3139, 3358, 5083, 6278, 9503, 10166, 12857, 16133, 16813, 19006, 21827, 25714, 28543, 32266, 33626, 40807, 43654, 53363, 57086, 72197, 81614, 106726, 144394, 218569, 371059, 437138, 693719, 742118, 938561, 1227349, 1387438, 1877122, 2454698, 15955537, 31911074]

約数ペア:

[(1, 31911074), (2, 15955537), (13, 2454698), (17, 1877122), (23, 1387438), (26, 1227349), (34, 938561), (43, 742118), (46, 693719), (73, 437138), (86, 371059), (146, 218569), (221, 144394), (299, 106726), (391, 81614), (442, 72197), (559, 57086), (598, 53363), (731, 43654), (782, 40807), (949, 33626), (989, 32266), (1118, 28543), (1241, 25714), (1462, 21827), (1679, 19006), (1898, 16813), (1978, 16133), (2482, 12857), (3139, 10166), (3358, 9503), (5083, 6278)]