208655616

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20931

約数の個数: 72

約数和(自身を含む): 598074400

約数和(自身を除く): 389418784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 20899, 41798, 62697, 83596, 125394, 167192, 250788, 271687, 334384, 501576, 543374, 668768, 815061, 1003152, 1086748, 1337536, 1630122, 2006304, 2173496, 2675072, 3260244, 4012608, 4346992, 5350144, 6520488, 8025216, 8693984, 13040976, 16050432, 17387968, 26081952, 34775936, 52163904, 69551872, 104327808, 208655616]

約数ペア:

[(1, 208655616), (2, 104327808), (3, 69551872), (4, 52163904), (6, 34775936), (8, 26081952), (12, 17387968), (13, 16050432), (16, 13040976), (24, 8693984), (26, 8025216), (32, 6520488), (39, 5350144), (48, 4346992), (52, 4012608), (64, 3260244), (78, 2675072), (96, 2173496), (104, 2006304), (128, 1630122), (156, 1337536), (192, 1086748), (208, 1003152), (256, 815061), (312, 668768), (384, 543374), (416, 501576), (624, 334384), (768, 271687), (832, 250788), (1248, 167192), (1664, 125394), (2496, 83596), (3328, 62697), (4992, 41798), (9984, 20899)]