128163968

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 271320000

約数和(自身を除く): 143156032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 151, 152, 302, 304, 349, 604, 608, 698, 1208, 1216, 1396, 2416, 2432, 2792, 2869, 4832, 5584, 5738, 6631, 9664, 11168, 11476, 13262, 19328, 22336, 22952, 26524, 44672, 45904, 52699, 53048, 91808, 105398, 106096, 183616, 210796, 212192, 367232, 421592, 424384, 843184, 848768, 1001281, 1686368, 2002562, 3372736, 4005124, 6745472, 8010248, 16020496, 32040992, 64081984, 128163968]

約数ペア:

[(1, 128163968), (2, 64081984), (4, 32040992), (8, 16020496), (16, 8010248), (19, 6745472), (32, 4005124), (38, 3372736), (64, 2002562), (76, 1686368), (128, 1001281), (151, 848768), (152, 843184), (302, 424384), (304, 421592), (349, 367232), (604, 212192), (608, 210796), (698, 183616), (1208, 106096), (1216, 105398), (1396, 91808), (2416, 53048), (2432, 52699), (2792, 45904), (2869, 44672), (4832, 26524), (5584, 22952), (5738, 22336), (6631, 19328), (9664, 13262), (11168, 11476)]