15887144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 37161600

約数和(自身を除く): 21274456

約数列:

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

約数ペア:

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