81913072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{751}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 168685632

約数和(自身を除く): 86772560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 401, 751, 802, 1502, 1604, 3004, 3208, 6008, 6416, 6817, 12016, 12767, 13634, 25534, 27268, 51068, 54536, 102136, 109072, 204272, 301151, 602302, 1204604, 2409208, 4818416, 5119567, 10239134, 20478268, 40956536, 81913072]

約数ペア:

[(1, 81913072), (2, 40956536), (4, 20478268), (8, 10239134), (16, 5119567), (17, 4818416), (34, 2409208), (68, 1204604), (136, 602302), (272, 301151), (401, 204272), (751, 109072), (802, 102136), (1502, 54536), (1604, 51068), (3004, 27268), (3208, 25534), (6008, 13634), (6416, 12767), (6817, 12016)]