87778208

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 221061960

約数和(自身を除く): 133283752

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 49, 56, 68, 74, 89, 98, 112, 119, 136, 148, 178, 196, 224, 238, 259, 272, 296, 356, 392, 476, 518, 544, 592, 623, 629, 712, 784, 833, 952, 1036, 1184, 1246, 1258, 1424, 1513, 1568, 1666, 1813, 1904, 2072, 2492, 2516, 2848, 3026, 3293, 3332, 3626, 3808, 4144, 4361, 4403, 4984, 5032, 6052, 6586, 6664, 7252, 8288, 8722, 8806, 9968, 10064, 10591, 12104, 13172, 13328, 14504, 17444, 17612, 19936, 20128, 21182, 23051, 24208, 26344, 26656, 29008, 30821, 34888, 35224, 42364, 46102, 48416, 52688, 55981, 58016, 61642, 69776, 70448, 74137, 84728, 92204, 105376, 111962, 123284, 139552, 140896, 148274, 161357, 169456, 184408, 223924, 246568, 296548, 322714, 338912, 368816, 391867, 447848, 493136, 593096, 645428, 737632, 783734, 895696, 986272, 1186192, 1290856, 1567468, 1791392, 2372384, 2581712, 2743069, 3134936, 5163424, 5486138, 6269872, 10972276, 12539744, 21944552, 43889104, 87778208]

約数ペア:

[(1, 87778208), (2, 43889104), (4, 21944552), (7, 12539744), (8, 10972276), (14, 6269872), (16, 5486138), (17, 5163424), (28, 3134936), (32, 2743069), (34, 2581712), (37, 2372384), (49, 1791392), (56, 1567468), (68, 1290856), (74, 1186192), (89, 986272), (98, 895696), (112, 783734), (119, 737632), (136, 645428), (148, 593096), (178, 493136), (196, 447848), (224, 391867), (238, 368816), (259, 338912), (272, 322714), (296, 296548), (356, 246568), (392, 223924), (476, 184408), (518, 169456), (544, 161357), (592, 148274), (623, 140896), (629, 139552), (712, 123284), (784, 111962), (833, 105376), (952, 92204), (1036, 84728), (1184, 74137), (1246, 70448), (1258, 69776), (1424, 61642), (1513, 58016), (1568, 55981), (1666, 52688), (1813, 48416), (1904, 46102), (2072, 42364), (2492, 35224), (2516, 34888), (2848, 30821), (3026, 29008), (3293, 26656), (3332, 26344), (3626, 24208), (3808, 23051), (4144, 21182), (4361, 20128), (4403, 19936), (4984, 17612), (5032, 17444), (6052, 14504), (6586, 13328), (6664, 13172), (7252, 12104), (8288, 10591), (8722, 10064), (8806, 9968)]