813306524725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{20071}}^1$

素因数の和:20806

約数の個数: 48

約数和(自身を含む): 1052099732736

約数和(自身を除く): 238793208011

約数列:

[1, 5, 25, 37, 71, 185, 355, 617, 925, 1775, 2627, 3085, 13135, 15425, 20071, 22829, 43807, 65675, 100355, 114145, 219035, 501775, 570725, 742627, 1095175, 1425041, 1620859, 3713135, 7125205, 8104295, 12383807, 18565675, 35626025, 40521475, 52726517, 61919035, 263632585, 309595175, 458200859, 879250297, 1318162925, 2291004295, 4396251485, 11455021475, 21981257425, 32532260989, 162661304945, 813306524725]

約数ペア:

[(1, 813306524725), (5, 162661304945), (25, 32532260989), (37, 21981257425), (71, 11455021475), (185, 4396251485), (355, 2291004295), (617, 1318162925), (925, 879250297), (1775, 458200859), (2627, 309595175), (3085, 263632585), (13135, 61919035), (15425, 52726517), (20071, 40521475), (22829, 35626025), (43807, 18565675), (65675, 12383807), (100355, 8104295), (114145, 7125205), (219035, 3713135), (501775, 1620859), (570725, 1425041), (742627, 1095175)]