161037656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 334393920

約数和(自身を除く): 173356264

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 113, 142, 193, 226, 284, 386, 452, 568, 772, 904, 923, 1469, 1544, 1846, 2509, 2938, 3692, 5018, 5876, 7384, 8023, 10036, 11752, 13703, 16046, 20072, 21809, 27406, 32092, 43618, 54812, 64184, 87236, 104299, 109624, 174472, 178139, 208598, 283517, 356278, 417196, 567034, 712556, 834392, 1134068, 1425112, 1548439, 2268136, 3096878, 6193756, 12387512, 20129707, 40259414, 80518828, 161037656]

約数ペア:

[(1, 161037656), (2, 80518828), (4, 40259414), (8, 20129707), (13, 12387512), (26, 6193756), (52, 3096878), (71, 2268136), (104, 1548439), (113, 1425112), (142, 1134068), (193, 834392), (226, 712556), (284, 567034), (386, 417196), (452, 356278), (568, 283517), (772, 208598), (904, 178139), (923, 174472), (1469, 109624), (1544, 104299), (1846, 87236), (2509, 64184), (2938, 54812), (3692, 43618), (5018, 32092), (5876, 27406), (7384, 21809), (8023, 20072), (10036, 16046), (11752, 13703)]