28541758

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 51508224

約数和(自身を除く): 22966466

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 647, 959, 1294, 1918, 3151, 4529, 6302, 9058, 14881, 22057, 29762, 44114, 88639, 104167, 177278, 208334, 620473, 1240946, 2038697, 4077394, 14270879, 28541758]

約数ペア:

[(1, 28541758), (2, 14270879), (7, 4077394), (14, 2038697), (23, 1240946), (46, 620473), (137, 208334), (161, 177278), (274, 104167), (322, 88639), (647, 44114), (959, 29762), (1294, 22057), (1918, 14881), (3151, 9058), (4529, 6302)]