31774288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 76800640

約数和(自身を除く): 45026352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 157, 182, 208, 278, 314, 364, 556, 628, 728, 973, 1099, 1112, 1256, 1456, 1807, 1946, 2041, 2198, 2224, 2512, 3614, 3892, 4082, 4396, 7228, 7784, 8164, 8792, 12649, 14287, 14456, 15568, 16328, 17584, 21823, 25298, 28574, 28912, 32656, 43646, 50596, 57148, 87292, 101192, 114296, 152761, 174584, 202384, 228592, 283699, 305522, 349168, 567398, 611044, 1134796, 1222088, 1985893, 2269592, 2444176, 3971786, 4539184, 7943572, 15887144, 31774288]

約数ペア:

[(1, 31774288), (2, 15887144), (4, 7943572), (7, 4539184), (8, 3971786), (13, 2444176), (14, 2269592), (16, 1985893), (26, 1222088), (28, 1134796), (52, 611044), (56, 567398), (91, 349168), (104, 305522), (112, 283699), (139, 228592), (157, 202384), (182, 174584), (208, 152761), (278, 114296), (314, 101192), (364, 87292), (556, 57148), (628, 50596), (728, 43646), (973, 32656), (1099, 28912), (1112, 28574), (1256, 25298), (1456, 21823), (1807, 17584), (1946, 16328), (2041, 15568), (2198, 14456), (2224, 14287), (2512, 12649), (3614, 8792), (3892, 8164), (4082, 7784), (4396, 7228)]