81908704

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 169979040

約数和(自身を除く): 88070336

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 109, 184, 218, 368, 436, 736, 872, 1021, 1744, 2042, 2507, 3488, 4084, 5014, 8168, 10028, 16336, 20056, 23483, 32672, 40112, 46966, 80224, 93932, 111289, 187864, 222578, 375728, 445156, 751456, 890312, 1780624, 2559647, 3561248, 5119294, 10238588, 20477176, 40954352, 81908704]

約数ペア:

[(1, 81908704), (2, 40954352), (4, 20477176), (8, 10238588), (16, 5119294), (23, 3561248), (32, 2559647), (46, 1780624), (92, 890312), (109, 751456), (184, 445156), (218, 375728), (368, 222578), (436, 187864), (736, 111289), (872, 93932), (1021, 80224), (1744, 46966), (2042, 40112), (2507, 32672), (3488, 23483), (4084, 20056), (5014, 16336), (8168, 10028)]