389621248

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 810756144

約数和(自身を除く): 421134896

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 131, 148, 157, 256, 262, 296, 314, 512, 524, 592, 628, 1048, 1184, 1256, 2096, 2368, 2512, 4192, 4736, 4847, 5024, 5809, 8384, 9472, 9694, 10048, 11618, 16768, 18944, 19388, 20096, 20567, 23236, 33536, 38776, 40192, 41134, 46472, 67072, 77552, 80384, 82268, 92944, 155104, 164536, 185888, 310208, 329072, 371776, 620416, 658144, 743552, 760979, 1240832, 1316288, 1487104, 1521958, 2481664, 2632576, 2974208, 3043916, 5265152, 6087832, 10530304, 12175664, 24351328, 48702656, 97405312, 194810624, 389621248]

約数ペア:

[(1, 389621248), (2, 194810624), (4, 97405312), (8, 48702656), (16, 24351328), (32, 12175664), (37, 10530304), (64, 6087832), (74, 5265152), (128, 3043916), (131, 2974208), (148, 2632576), (157, 2481664), (256, 1521958), (262, 1487104), (296, 1316288), (314, 1240832), (512, 760979), (524, 743552), (592, 658144), (628, 620416), (1048, 371776), (1184, 329072), (1256, 310208), (2096, 185888), (2368, 164536), (2512, 155104), (4192, 92944), (4736, 82268), (4847, 80384), (5024, 77552), (5809, 67072), (8384, 46472), (9472, 41134), (9694, 40192), (10048, 38776), (11618, 33536), (16768, 23236), (18944, 20567), (19388, 20096)]