181038728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{28537}}^1$

素因数の和:28617

約数の個数: 32

約数和(自身を含む): 371564760

約数和(自身を除く): 190526032

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 28537, 57074, 114148, 228296, 370981, 741962, 1483924, 1740757, 2967848, 3481514, 6963028, 13926056, 22629841, 45259682, 90519364, 181038728]

約数ペア:

[(1, 181038728), (2, 90519364), (4, 45259682), (8, 22629841), (13, 13926056), (26, 6963028), (52, 3481514), (61, 2967848), (104, 1740757), (122, 1483924), (244, 741962), (488, 370981), (793, 228296), (1586, 114148), (3172, 57074), (6344, 28537)]