277788056

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 693206640

約数和(自身を除く): 415418584

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 151, 152, 182, 196, 247, 266, 302, 361, 364, 392, 494, 532, 604, 637, 722, 728, 931, 988, 1057, 1064, 1208, 1274, 1444, 1729, 1862, 1963, 1976, 2114, 2527, 2548, 2869, 2888, 3458, 3724, 3926, 4228, 4693, 5054, 5096, 5738, 6916, 7399, 7448, 7852, 8456, 9386, 10108, 11476, 12103, 13741, 13832, 14798, 15704, 17689, 18772, 20083, 20216, 22952, 24206, 27482, 29596, 32851, 35378, 37297, 37544, 40166, 48412, 54511, 54964, 59192, 65702, 70756, 74594, 80332, 96187, 96824, 109022, 109928, 131404, 140581, 141512, 149188, 160664, 192374, 218044, 229957, 261079, 262808, 281162, 298376, 381577, 384748, 436088, 459914, 522158, 562324, 708643, 763154, 769496, 919828, 1044316, 1124648, 1417286, 1526308, 1827553, 1839656, 2088632, 2671039, 2834572, 3052616, 3655106, 4960501, 5342078, 5669144, 7310212, 9921002, 10684156, 14620424, 19842004, 21368312, 34723507, 39684008, 69447014, 138894028, 277788056]

約数ペア:

[(1, 277788056), (2, 138894028), (4, 69447014), (7, 39684008), (8, 34723507), (13, 21368312), (14, 19842004), (19, 14620424), (26, 10684156), (28, 9921002), (38, 7310212), (49, 5669144), (52, 5342078), (56, 4960501), (76, 3655106), (91, 3052616), (98, 2834572), (104, 2671039), (133, 2088632), (151, 1839656), (152, 1827553), (182, 1526308), (196, 1417286), (247, 1124648), (266, 1044316), (302, 919828), (361, 769496), (364, 763154), (392, 708643), (494, 562324), (532, 522158), (604, 459914), (637, 436088), (722, 384748), (728, 381577), (931, 298376), (988, 281162), (1057, 262808), (1064, 261079), (1208, 229957), (1274, 218044), (1444, 192374), (1729, 160664), (1862, 149188), (1963, 141512), (1976, 140581), (2114, 131404), (2527, 109928), (2548, 109022), (2869, 96824), (2888, 96187), (3458, 80332), (3724, 74594), (3926, 70756), (4228, 65702), (4693, 59192), (5054, 54964), (5096, 54511), (5738, 48412), (6916, 40166), (7399, 37544), (7448, 37297), (7852, 35378), (8456, 32851), (9386, 29596), (10108, 27482), (11476, 24206), (12103, 22952), (13741, 20216), (13832, 20083), (14798, 18772), (15704, 17689)]