81551648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1187}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 89092672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 304, 452, 608, 904, 1187, 1808, 2147, 2374, 3616, 4294, 4748, 8588, 9496, 17176, 18992, 22553, 34352, 37984, 45106, 68704, 90212, 134131, 180424, 268262, 360848, 536524, 721696, 1073048, 2146096, 2548489, 4292192, 5096978, 10193956, 20387912, 40775824, 81551648]

約数ペア:

[(1, 81551648), (2, 40775824), (4, 20387912), (8, 10193956), (16, 5096978), (19, 4292192), (32, 2548489), (38, 2146096), (76, 1073048), (113, 721696), (152, 536524), (226, 360848), (304, 268262), (452, 180424), (608, 134131), (904, 90212), (1187, 68704), (1808, 45106), (2147, 37984), (2374, 34352), (3616, 22553), (4294, 18992), (4748, 17176), (8588, 9496)]