123509216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2667

約数の個数: 48

約数和(自身を含む): 260457120

約数和(自身を除く): 136947904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 544, 712, 1424, 1513, 2551, 2848, 3026, 5102, 6052, 10204, 12104, 20408, 24208, 40816, 43367, 48416, 81632, 86734, 173468, 227039, 346936, 454078, 693872, 908156, 1387744, 1816312, 3632624, 3859663, 7265248, 7719326, 15438652, 30877304, 61754608, 123509216]

約数ペア:

[(1, 123509216), (2, 61754608), (4, 30877304), (8, 15438652), (16, 7719326), (17, 7265248), (32, 3859663), (34, 3632624), (68, 1816312), (89, 1387744), (136, 908156), (178, 693872), (272, 454078), (356, 346936), (544, 227039), (712, 173468), (1424, 86734), (1513, 81632), (2551, 48416), (2848, 43367), (3026, 40816), (5102, 24208), (6052, 20408), (10204, 12104)]