128564410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 258572160

約数和(自身を除く): 130007750

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 109, 130, 211, 215, 218, 422, 430, 545, 559, 1055, 1090, 1118, 1417, 2110, 2743, 2795, 2834, 4687, 5486, 5590, 7085, 9073, 9374, 13715, 14170, 18146, 22999, 23435, 27430, 45365, 45998, 46870, 60931, 90730, 114995, 117949, 121862, 229990, 235898, 298987, 304655, 589745, 597974, 609310, 988957, 1179490, 1494935, 1977914, 2989870, 4944785, 9889570, 12856441, 25712882, 64282205, 128564410]

約数ペア:

[(1, 128564410), (2, 64282205), (5, 25712882), (10, 12856441), (13, 9889570), (26, 4944785), (43, 2989870), (65, 1977914), (86, 1494935), (109, 1179490), (130, 988957), (211, 609310), (215, 597974), (218, 589745), (422, 304655), (430, 298987), (545, 235898), (559, 229990), (1055, 121862), (1090, 117949), (1118, 114995), (1417, 90730), (2110, 60931), (2743, 46870), (2795, 45998), (2834, 45365), (4687, 27430), (5486, 23435), (5590, 22999), (7085, 18146), (9073, 14170), (9374, 13715)]