31398976

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 56

約数和(自身を含む): 71973440

約数和(自身を除く): 40574464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 643, 763, 872, 1286, 1526, 1744, 2572, 3052, 3488, 4501, 5144, 6104, 6976, 9002, 10288, 12208, 18004, 20576, 24416, 36008, 41152, 48832, 70087, 72016, 140174, 144032, 280348, 288064, 490609, 560696, 981218, 1121392, 1962436, 2242784, 3924872, 4485568, 7849744, 15699488, 31398976]

約数ペア:

[(1, 31398976), (2, 15699488), (4, 7849744), (7, 4485568), (8, 3924872), (14, 2242784), (16, 1962436), (28, 1121392), (32, 981218), (56, 560696), (64, 490609), (109, 288064), (112, 280348), (218, 144032), (224, 140174), (436, 72016), (448, 70087), (643, 48832), (763, 41152), (872, 36008), (1286, 24416), (1526, 20576), (1744, 18004), (2572, 12208), (3052, 10288), (3488, 9002), (4501, 6976), (5144, 6104)]