31389312

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1961

約数の個数: 64

約数和(自身を含む): 85361760

約数和(自身を除く): 53972448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1376, 1901, 2064, 2752, 3802, 4128, 5504, 5703, 7604, 8256, 11406, 15208, 16512, 22812, 30416, 45624, 60832, 81743, 91248, 121664, 163486, 182496, 243328, 245229, 326972, 364992, 490458, 653944, 729984, 980916, 1307888, 1961832, 2615776, 3923664, 5231552, 7847328, 10463104, 15694656, 31389312]

約数ペア:

[(1, 31389312), (2, 15694656), (3, 10463104), (4, 7847328), (6, 5231552), (8, 3923664), (12, 2615776), (16, 1961832), (24, 1307888), (32, 980916), (43, 729984), (48, 653944), (64, 490458), (86, 364992), (96, 326972), (128, 245229), (129, 243328), (172, 182496), (192, 163486), (258, 121664), (344, 91248), (384, 81743), (516, 60832), (688, 45624), (1032, 30416), (1376, 22812), (1901, 16512), (2064, 15208), (2752, 11406), (3802, 8256), (4128, 7604), (5504, 5703)]