38904645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 68515200

約数和(自身を除く): 29610555

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 149, 169, 195, 309, 447, 507, 515, 745, 845, 1339, 1545, 1937, 2235, 2535, 4017, 5811, 6695, 9685, 15347, 17407, 20085, 25181, 29055, 46041, 52221, 75543, 76735, 87035, 125905, 199511, 230205, 261105, 377715, 598533, 997555, 2593643, 2992665, 7780929, 12968215, 38904645]

約数ペア:

[(1, 38904645), (3, 12968215), (5, 7780929), (13, 2992665), (15, 2593643), (39, 997555), (65, 598533), (103, 377715), (149, 261105), (169, 230205), (195, 199511), (309, 125905), (447, 87035), (507, 76735), (515, 75543), (745, 52221), (845, 46041), (1339, 29055), (1545, 25181), (1937, 20085), (2235, 17407), (2535, 15347), (4017, 9685), (5811, 6695)]