231508732

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 519587376

約数和(自身を除く): 288078644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 301, 364, 559, 602, 637, 1118, 1204, 1274, 2107, 2113, 2236, 2548, 3913, 4214, 4226, 7826, 8428, 8452, 14791, 15652, 27391, 27469, 29582, 54782, 54938, 59164, 90859, 103537, 109564, 109876, 181718, 192283, 207074, 363436, 384566, 414148, 636013, 769132, 1181167, 1272026, 1345981, 2362334, 2544052, 2691962, 4452091, 4724668, 5383924, 8268169, 8904182, 16536338, 17808364, 33072676, 57877183, 115754366, 231508732]

約数ペア:

[(1, 231508732), (2, 115754366), (4, 57877183), (7, 33072676), (13, 17808364), (14, 16536338), (26, 8904182), (28, 8268169), (43, 5383924), (49, 4724668), (52, 4452091), (86, 2691962), (91, 2544052), (98, 2362334), (172, 1345981), (182, 1272026), (196, 1181167), (301, 769132), (364, 636013), (559, 414148), (602, 384566), (637, 363436), (1118, 207074), (1204, 192283), (1274, 181718), (2107, 109876), (2113, 109564), (2236, 103537), (2548, 90859), (3913, 59164), (4214, 54938), (4226, 54782), (7826, 29582), (8428, 27469), (8452, 27391), (14791, 15652)]