12658256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3243

約数の個数: 40

約数和(自身を含む): 27810720

約数和(自身を除く): 15152464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3203, 3952, 6406, 12812, 25624, 41639, 51248, 60857, 83278, 121714, 166556, 243428, 333112, 486856, 666224, 791141, 973712, 1582282, 3164564, 6329128, 12658256]

約数ペア:

[(1, 12658256), (2, 6329128), (4, 3164564), (8, 1582282), (13, 973712), (16, 791141), (19, 666224), (26, 486856), (38, 333112), (52, 243428), (76, 166556), (104, 121714), (152, 83278), (208, 60857), (247, 51248), (304, 41639), (494, 25624), (988, 12812), (1976, 6406), (3203, 3952)]