71981312

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 158647104

約数和(自身を除く): 86665792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 503, 559, 688, 832, 1006, 1118, 1376, 1664, 2012, 2236, 2752, 3328, 4024, 4472, 5504, 6539, 8048, 8944, 11008, 13078, 16096, 17888, 21629, 26156, 32192, 35776, 43258, 52312, 64384, 71552, 86516, 104624, 128768, 143104, 173032, 209248, 281177, 346064, 418496, 562354, 692128, 836992, 1124708, 1384256, 1673984, 2249416, 2768512, 4498832, 5537024, 8997664, 17995328, 35990656, 71981312]

約数ペア:

[(1, 71981312), (2, 35990656), (4, 17995328), (8, 8997664), (13, 5537024), (16, 4498832), (26, 2768512), (32, 2249416), (43, 1673984), (52, 1384256), (64, 1124708), (86, 836992), (104, 692128), (128, 562354), (172, 418496), (208, 346064), (256, 281177), (344, 209248), (416, 173032), (503, 143104), (559, 128768), (688, 104624), (832, 86516), (1006, 71552), (1118, 64384), (1376, 52312), (1664, 43258), (2012, 35776), (2236, 32192), (2752, 26156), (3328, 21629), (4024, 17888), (4472, 16096), (5504, 13078), (6539, 11008), (8048, 8944)]