128753274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 297198720

約数和(自身を除く): 168445446

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 89, 102, 178, 221, 267, 442, 534, 663, 1091, 1157, 1326, 1513, 2182, 2314, 3026, 3273, 3471, 4539, 6546, 6942, 9078, 14183, 18547, 19669, 28366, 37094, 39338, 42549, 55641, 59007, 85098, 97099, 111282, 118014, 194198, 241111, 291297, 482222, 582594, 723333, 1262287, 1446666, 1650683, 2524574, 3301366, 3786861, 4952049, 7573722, 9904098, 21458879, 42917758, 64376637, 128753274]

約数ペア:

[(1, 128753274), (2, 64376637), (3, 42917758), (6, 21458879), (13, 9904098), (17, 7573722), (26, 4952049), (34, 3786861), (39, 3301366), (51, 2524574), (78, 1650683), (89, 1446666), (102, 1262287), (178, 723333), (221, 582594), (267, 482222), (442, 291297), (534, 241111), (663, 194198), (1091, 118014), (1157, 111282), (1326, 97099), (1513, 85098), (2182, 59007), (2314, 55641), (3026, 42549), (3273, 39338), (3471, 37094), (4539, 28366), (6546, 19669), (6942, 18547), (9078, 14183)]