328649984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 773147088

約数和(自身を除く): 444497104

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 37, 52, 64, 68, 74, 104, 128, 136, 148, 157, 208, 221, 256, 272, 296, 314, 416, 442, 481, 544, 592, 628, 629, 832, 884, 962, 1088, 1184, 1256, 1258, 1664, 1768, 1924, 2041, 2176, 2368, 2512, 2516, 2669, 3328, 3536, 3848, 4082, 4352, 4736, 5024, 5032, 5338, 5809, 7072, 7696, 8164, 8177, 9472, 10048, 10064, 10676, 11618, 14144, 15392, 16328, 16354, 20096, 20128, 21352, 23236, 28288, 30784, 32656, 32708, 34697, 40192, 40256, 42704, 46472, 56576, 61568, 65312, 65416, 69394, 75517, 80512, 85408, 92944, 98753, 123136, 130624, 130832, 138788, 151034, 161024, 170816, 185888, 197506, 261248, 261664, 277576, 302068, 341632, 371776, 395012, 522496, 523328, 555152, 604136, 683264, 743552, 790024, 1046656, 1110304, 1208272, 1283789, 1487104, 1580048, 2093312, 2220608, 2416544, 2567578, 3160096, 4441216, 4833088, 5135156, 6320192, 8882432, 9666176, 10270312, 12640384, 19332352, 20540624, 25280768, 41081248, 82162496, 164324992, 328649984]

約数ペア:

[(1, 328649984), (2, 164324992), (4, 82162496), (8, 41081248), (13, 25280768), (16, 20540624), (17, 19332352), (26, 12640384), (32, 10270312), (34, 9666176), (37, 8882432), (52, 6320192), (64, 5135156), (68, 4833088), (74, 4441216), (104, 3160096), (128, 2567578), (136, 2416544), (148, 2220608), (157, 2093312), (208, 1580048), (221, 1487104), (256, 1283789), (272, 1208272), (296, 1110304), (314, 1046656), (416, 790024), (442, 743552), (481, 683264), (544, 604136), (592, 555152), (628, 523328), (629, 522496), (832, 395012), (884, 371776), (962, 341632), (1088, 302068), (1184, 277576), (1256, 261664), (1258, 261248), (1664, 197506), (1768, 185888), (1924, 170816), (2041, 161024), (2176, 151034), (2368, 138788), (2512, 130832), (2516, 130624), (2669, 123136), (3328, 98753), (3536, 92944), (3848, 85408), (4082, 80512), (4352, 75517), (4736, 69394), (5024, 65416), (5032, 65312), (5338, 61568), (5809, 56576), (7072, 46472), (7696, 42704), (8164, 40256), (8177, 40192), (9472, 34697), (10048, 32708), (10064, 32656), (10676, 30784), (11618, 28288), (14144, 23236), (15392, 21352), (16328, 20128), (16354, 20096)]