71254144

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{42821}}^1$

素因数の和:42848

約数の個数: 32

約数和(自身を含む): 152874540

約数和(自身を除く): 81620396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 42821, 85642, 171284, 342568, 556673, 685136, 1113346, 1370272, 2226692, 2740544, 4453384, 5481088, 8906768, 17813536, 35627072, 71254144]

約数ペア:

[(1, 71254144), (2, 35627072), (4, 17813536), (8, 8906768), (13, 5481088), (16, 4453384), (26, 2740544), (32, 2226692), (52, 1370272), (64, 1113346), (104, 685136), (128, 556673), (208, 342568), (416, 171284), (832, 85642), (1664, 42821)]