72981272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5897}}^1$

素因数の和:5940

約数の個数: 64

約数和(自身を含む): 178355520

約数和(自身を除く): 105374248

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 5897, 6188, 11794, 12376, 23588, 41279, 47176, 76661, 82558, 100249, 153322, 165116, 200498, 306644, 330232, 400996, 536627, 613288, 701743, 801992, 1073254, 1303237, 1403486, 2146508, 2606474, 2806972, 4293016, 5212948, 5613944, 9122659, 10425896, 18245318, 36490636, 72981272]

約数ペア:

[(1, 72981272), (2, 36490636), (4, 18245318), (7, 10425896), (8, 9122659), (13, 5613944), (14, 5212948), (17, 4293016), (26, 2806972), (28, 2606474), (34, 2146508), (52, 1403486), (56, 1303237), (68, 1073254), (91, 801992), (104, 701743), (119, 613288), (136, 536627), (182, 400996), (221, 330232), (238, 306644), (364, 200498), (442, 165116), (476, 153322), (728, 100249), (884, 82558), (952, 76661), (1547, 47176), (1768, 41279), (3094, 23588), (5897, 12376), (6188, 11794)]