31912192

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 70509824

約数和(自身を除く): 38597632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 223, 256, 344, 416, 446, 559, 688, 832, 892, 1118, 1376, 1664, 1784, 2236, 2752, 2899, 3328, 3568, 4472, 5504, 5798, 7136, 8944, 9589, 11008, 11596, 14272, 17888, 19178, 23192, 28544, 35776, 38356, 46384, 57088, 71552, 76712, 92768, 124657, 143104, 153424, 185536, 249314, 306848, 371072, 498628, 613696, 742144, 997256, 1227392, 1994512, 2454784, 3989024, 7978048, 15956096, 31912192]

約数ペア:

[(1, 31912192), (2, 15956096), (4, 7978048), (8, 3989024), (13, 2454784), (16, 1994512), (26, 1227392), (32, 997256), (43, 742144), (52, 613696), (64, 498628), (86, 371072), (104, 306848), (128, 249314), (172, 185536), (208, 153424), (223, 143104), (256, 124657), (344, 92768), (416, 76712), (446, 71552), (559, 57088), (688, 46384), (832, 38356), (892, 35776), (1118, 28544), (1376, 23192), (1664, 19178), (1784, 17888), (2236, 14272), (2752, 11596), (2899, 11008), (3328, 9589), (3568, 8944), (4472, 7136), (5504, 5798)]