81176836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 163099440

約数和(自身を除く): 81922604

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 229, 401, 442, 458, 802, 884, 916, 1604, 2977, 3893, 5213, 5954, 6817, 7786, 10426, 11908, 13634, 15572, 20852, 27268, 50609, 88621, 91829, 101218, 177242, 183658, 202436, 354484, 367316, 1193777, 1561093, 2387554, 3122186, 4775108, 6244372, 20294209, 40588418, 81176836]

約数ペア:

[(1, 81176836), (2, 40588418), (4, 20294209), (13, 6244372), (17, 4775108), (26, 3122186), (34, 2387554), (52, 1561093), (68, 1193777), (221, 367316), (229, 354484), (401, 202436), (442, 183658), (458, 177242), (802, 101218), (884, 91829), (916, 88621), (1604, 50609), (2977, 27268), (3893, 20852), (5213, 15572), (5954, 13634), (6817, 11908), (7786, 10426)]