72857408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 56

約数和(自身を含む): 158142432

約数和(自身を除く): 85285024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 536, 832, 871, 1072, 1307, 1742, 2144, 2614, 3484, 4288, 5228, 6968, 10456, 13936, 16991, 20912, 27872, 33982, 41824, 55744, 67964, 83648, 87569, 135928, 175138, 271856, 350276, 543712, 700552, 1087424, 1138397, 1401104, 2276794, 2802208, 4553588, 5604416, 9107176, 18214352, 36428704, 72857408]

約数ペア:

[(1, 72857408), (2, 36428704), (4, 18214352), (8, 9107176), (13, 5604416), (16, 4553588), (26, 2802208), (32, 2276794), (52, 1401104), (64, 1138397), (67, 1087424), (104, 700552), (134, 543712), (208, 350276), (268, 271856), (416, 175138), (536, 135928), (832, 87569), (871, 83648), (1072, 67964), (1307, 55744), (1742, 41824), (2144, 33982), (2614, 27872), (3484, 20912), (4288, 16991), (5228, 13936), (6968, 10456)]