72244016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20469

約数の個数: 40

約数和(自身を含む): 159614784

約数和(自身を除く): 87370768

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20431, 40862, 81724, 163448, 265603, 326896, 347327, 531206, 694654, 1062412, 1389308, 2124824, 2778616, 4249648, 4515251, 5557232, 9030502, 18061004, 36122008, 72244016]

約数ペア:

[(1, 72244016), (2, 36122008), (4, 18061004), (8, 9030502), (13, 5557232), (16, 4515251), (17, 4249648), (26, 2778616), (34, 2124824), (52, 1389308), (68, 1062412), (104, 694654), (136, 531206), (208, 347327), (221, 326896), (272, 265603), (442, 163448), (884, 81724), (1768, 40862), (3536, 20431)]