81169696

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 173604816

約数和(自身を除く): 92435120

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 131, 134, 136, 262, 268, 272, 289, 524, 536, 544, 578, 1048, 1072, 1139, 1156, 2096, 2144, 2227, 2278, 2312, 4192, 4454, 4556, 4624, 8777, 8908, 9112, 9248, 17554, 17816, 18224, 19363, 35108, 35632, 36448, 37859, 38726, 70216, 71264, 75718, 77452, 140432, 149209, 151436, 154904, 280864, 298418, 302872, 309808, 596836, 605744, 619616, 1193672, 1211488, 2387344, 2536553, 4774688, 5073106, 10146212, 20292424, 40584848, 81169696]

約数ペア:

[(1, 81169696), (2, 40584848), (4, 20292424), (8, 10146212), (16, 5073106), (17, 4774688), (32, 2536553), (34, 2387344), (67, 1211488), (68, 1193672), (131, 619616), (134, 605744), (136, 596836), (262, 309808), (268, 302872), (272, 298418), (289, 280864), (524, 154904), (536, 151436), (544, 149209), (578, 140432), (1048, 77452), (1072, 75718), (1139, 71264), (1156, 70216), (2096, 38726), (2144, 37859), (2227, 36448), (2278, 35632), (2312, 35108), (4192, 19363), (4454, 18224), (4556, 17816), (4624, 17554), (8777, 9248), (8908, 9112)]