81605330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3929}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 153930240

約数和(自身を除く): 72324910

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 2077, 3929, 4154, 7858, 10385, 19645, 20770, 39290, 121799, 243598, 263243, 526486, 608995, 1217990, 1316215, 2632430, 8160533, 16321066, 40802665, 81605330]

約数ペア:

[(1, 81605330), (2, 40802665), (5, 16321066), (10, 8160533), (31, 2632430), (62, 1316215), (67, 1217990), (134, 608995), (155, 526486), (310, 263243), (335, 243598), (670, 121799), (2077, 39290), (3929, 20770), (4154, 19645), (7858, 10385)]