198956768

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 403449984

約数和(自身を除く): 204493216

約数列:

[1, 2, 4, 8, 16, 32, 67, 71, 134, 142, 268, 284, 536, 568, 1072, 1136, 1307, 2144, 2272, 2614, 4757, 5228, 9514, 10456, 19028, 20912, 38056, 41824, 76112, 87569, 92797, 152224, 175138, 185594, 350276, 371188, 700552, 742376, 1401104, 1484752, 2802208, 2969504, 6217399, 12434798, 24869596, 49739192, 99478384, 198956768]

約数ペア:

[(1, 198956768), (2, 99478384), (4, 49739192), (8, 24869596), (16, 12434798), (32, 6217399), (67, 2969504), (71, 2802208), (134, 1484752), (142, 1401104), (268, 742376), (284, 700552), (536, 371188), (568, 350276), (1072, 185594), (1136, 175138), (1307, 152224), (2144, 92797), (2272, 87569), (2614, 76112), (4757, 41824), (5228, 38056), (9514, 20912), (10456, 19028)]