81381248

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48907}}^1$

素因数の和:48934

約数の個数: 32

約数和(自身を含む): 174601560

約数和(自身を除く): 93220312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48907, 97814, 195628, 391256, 635791, 782512, 1271582, 1565024, 2543164, 3130048, 5086328, 6260096, 10172656, 20345312, 40690624, 81381248]

約数ペア:

[(1, 81381248), (2, 40690624), (4, 20345312), (8, 10172656), (13, 6260096), (16, 5086328), (26, 3130048), (32, 2543164), (52, 1565024), (64, 1271582), (104, 782512), (128, 635791), (208, 391256), (416, 195628), (832, 97814), (1664, 48907)]