191440816

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 438575104

約数和(自身を除く): 247134288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 127, 172, 254, 301, 313, 344, 508, 602, 626, 688, 889, 1016, 1204, 1252, 1778, 2032, 2191, 2408, 2504, 3556, 4382, 4816, 5008, 5461, 7112, 8764, 10922, 13459, 14224, 17528, 21844, 26918, 35056, 38227, 39751, 43688, 53836, 76454, 79502, 87376, 94213, 107672, 152908, 159004, 188426, 215344, 278257, 305816, 318008, 376852, 556514, 611632, 636016, 753704, 1113028, 1507408, 1709293, 2226056, 3418586, 4452112, 6837172, 11965051, 13674344, 23930102, 27348688, 47860204, 95720408, 191440816]

約数ペア:

[(1, 191440816), (2, 95720408), (4, 47860204), (7, 27348688), (8, 23930102), (14, 13674344), (16, 11965051), (28, 6837172), (43, 4452112), (56, 3418586), (86, 2226056), (112, 1709293), (127, 1507408), (172, 1113028), (254, 753704), (301, 636016), (313, 611632), (344, 556514), (508, 376852), (602, 318008), (626, 305816), (688, 278257), (889, 215344), (1016, 188426), (1204, 159004), (1252, 152908), (1778, 107672), (2032, 94213), (2191, 87376), (2408, 79502), (2504, 76454), (3556, 53836), (4382, 43688), (4816, 39751), (5008, 38227), (5461, 35056), (7112, 26918), (8764, 21844), (10922, 17528), (13459, 14224)]