81332032

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 166676832

約数和(自身を除く): 85344800

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 83, 122, 166, 244, 251, 332, 488, 502, 664, 976, 1004, 1328, 1952, 2008, 2656, 3904, 4016, 5063, 5312, 8032, 10126, 15311, 16064, 20252, 20833, 30622, 40504, 41666, 61244, 81008, 83332, 122488, 162016, 166664, 244976, 324032, 333328, 489952, 666656, 979904, 1270813, 1333312, 2541626, 5083252, 10166504, 20333008, 40666016, 81332032]

約数ペア:

[(1, 81332032), (2, 40666016), (4, 20333008), (8, 10166504), (16, 5083252), (32, 2541626), (61, 1333312), (64, 1270813), (83, 979904), (122, 666656), (166, 489952), (244, 333328), (251, 324032), (332, 244976), (488, 166664), (502, 162016), (664, 122488), (976, 83332), (1004, 81008), (1328, 61244), (1952, 41666), (2008, 40504), (2656, 30622), (3904, 20833), (4016, 20252), (5063, 16064), (5312, 15311), (8032, 10126)]