16256838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 37078272

約数和(自身を除く): 20821434

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 131, 222, 258, 262, 393, 481, 559, 786, 962, 1118, 1443, 1591, 1677, 1703, 2886, 3182, 3354, 3406, 4773, 4847, 5109, 5633, 9546, 9694, 10218, 11266, 14541, 16899, 20683, 29082, 33798, 41366, 62049, 63011, 73229, 124098, 126022, 146458, 189033, 208421, 219687, 378066, 416842, 439374, 625263, 1250526, 2709473, 5418946, 8128419, 16256838]

約数ペア:

[(1, 16256838), (2, 8128419), (3, 5418946), (6, 2709473), (13, 1250526), (26, 625263), (37, 439374), (39, 416842), (43, 378066), (74, 219687), (78, 208421), (86, 189033), (111, 146458), (129, 126022), (131, 124098), (222, 73229), (258, 63011), (262, 62049), (393, 41366), (481, 33798), (559, 29082), (786, 20683), (962, 16899), (1118, 14541), (1443, 11266), (1591, 10218), (1677, 9694), (1703, 9546), (2886, 5633), (3182, 5109), (3354, 4847), (3406, 4773)]