7971730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 16008840

約数和(自身を除く): 8037110

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 89, 106, 130, 169, 178, 265, 338, 445, 530, 689, 845, 890, 1157, 1378, 1690, 2314, 3445, 4717, 5785, 6890, 8957, 9434, 11570, 15041, 17914, 23585, 30082, 44785, 47170, 61321, 75205, 89570, 122642, 150410, 306605, 613210, 797173, 1594346, 3985865, 7971730]

約数ペア:

[(1, 7971730), (2, 3985865), (5, 1594346), (10, 797173), (13, 613210), (26, 306605), (53, 150410), (65, 122642), (89, 89570), (106, 75205), (130, 61321), (169, 47170), (178, 44785), (265, 30082), (338, 23585), (445, 17914), (530, 15041), (689, 11570), (845, 9434), (890, 8957), (1157, 6890), (1378, 5785), (1690, 4717), (2314, 3445)]