317480696

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 665124480

約数和(自身を除く): 347643784

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 127, 169, 172, 254, 338, 344, 508, 559, 676, 1016, 1118, 1352, 1651, 1849, 2236, 3302, 3698, 4472, 5461, 6604, 7267, 7396, 10922, 13208, 14534, 14792, 21463, 21844, 24037, 29068, 42926, 43688, 48074, 58136, 70993, 85852, 96148, 141986, 171704, 192296, 234823, 283972, 312481, 469646, 567944, 624962, 922909, 939292, 1249924, 1845818, 1878584, 2499848, 3052699, 3691636, 6105398, 7383272, 12210796, 24421592, 39685087, 79370174, 158740348, 317480696]

約数ペア:

[(1, 317480696), (2, 158740348), (4, 79370174), (8, 39685087), (13, 24421592), (26, 12210796), (43, 7383272), (52, 6105398), (86, 3691636), (104, 3052699), (127, 2499848), (169, 1878584), (172, 1845818), (254, 1249924), (338, 939292), (344, 922909), (508, 624962), (559, 567944), (676, 469646), (1016, 312481), (1118, 283972), (1352, 234823), (1651, 192296), (1849, 171704), (2236, 141986), (3302, 96148), (3698, 85852), (4472, 70993), (5461, 58136), (6604, 48074), (7267, 43688), (7396, 42926), (10922, 29068), (13208, 24037), (14534, 21844), (14792, 21463)]