257985312

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 754512192

約数和(自身を除く): 496526880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 74, 78, 96, 104, 111, 148, 151, 156, 208, 222, 296, 302, 312, 416, 444, 453, 481, 592, 604, 624, 888, 906, 962, 1184, 1208, 1248, 1369, 1443, 1776, 1812, 1924, 1963, 2416, 2738, 2886, 3552, 3624, 3848, 3926, 4107, 4832, 5476, 5587, 5772, 5889, 7248, 7696, 7852, 8214, 10952, 11174, 11544, 11778, 14496, 15392, 15704, 16428, 16761, 17797, 21904, 22348, 23088, 23556, 31408, 32856, 33522, 35594, 43808, 44696, 46176, 47112, 53391, 62816, 65712, 67044, 71188, 72631, 89392, 94224, 106782, 131424, 134088, 142376, 145262, 178784, 188448, 206719, 213564, 217893, 268176, 284752, 290524, 413438, 427128, 435786, 536352, 569504, 581048, 620157, 826876, 854256, 871572, 1162096, 1240314, 1653752, 1708512, 1743144, 2324192, 2480628, 2687347, 3307504, 3486288, 4961256, 5374694, 6615008, 6972576, 8062041, 9922512, 10749388, 16124082, 19845024, 21498776, 32248164, 42997552, 64496328, 85995104, 128992656, 257985312]

約数ペア:

[(1, 257985312), (2, 128992656), (3, 85995104), (4, 64496328), (6, 42997552), (8, 32248164), (12, 21498776), (13, 19845024), (16, 16124082), (24, 10749388), (26, 9922512), (32, 8062041), (37, 6972576), (39, 6615008), (48, 5374694), (52, 4961256), (74, 3486288), (78, 3307504), (96, 2687347), (104, 2480628), (111, 2324192), (148, 1743144), (151, 1708512), (156, 1653752), (208, 1240314), (222, 1162096), (296, 871572), (302, 854256), (312, 826876), (416, 620157), (444, 581048), (453, 569504), (481, 536352), (592, 435786), (604, 427128), (624, 413438), (888, 290524), (906, 284752), (962, 268176), (1184, 217893), (1208, 213564), (1248, 206719), (1369, 188448), (1443, 178784), (1776, 145262), (1812, 142376), (1924, 134088), (1963, 131424), (2416, 106782), (2738, 94224), (2886, 89392), (3552, 72631), (3624, 71188), (3848, 67044), (3926, 65712), (4107, 62816), (4832, 53391), (5476, 47112), (5587, 46176), (5772, 44696), (5889, 43808), (7248, 35594), (7696, 33522), (7852, 32856), (8214, 31408), (10952, 23556), (11174, 23088), (11544, 22348), (11778, 21904), (14496, 17797), (15392, 16761), (15704, 16428)]