261432248

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3241

約数の個数: 96

約数和(自身を含む): 654998400

約数和(自身を除く): 393566152

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 133, 152, 154, 196, 209, 266, 308, 392, 418, 532, 539, 616, 836, 931, 1064, 1078, 1463, 1672, 1862, 2156, 2926, 3191, 3724, 4312, 5852, 6382, 7448, 10241, 11704, 12764, 20482, 22337, 25528, 35101, 40964, 44674, 60629, 70202, 81928, 89348, 121258, 140404, 156359, 178696, 242516, 245707, 280808, 312718, 424403, 485032, 491414, 625436, 666919, 848806, 982828, 1250872, 1333838, 1697612, 1719949, 1965656, 2667676, 2970821, 3395224, 3439898, 4668433, 5335352, 5941642, 6879796, 9336866, 11883284, 13759592, 18673732, 23766568, 32679031, 37347464, 65358062, 130716124, 261432248]

約数ペア:

[(1, 261432248), (2, 130716124), (4, 65358062), (7, 37347464), (8, 32679031), (11, 23766568), (14, 18673732), (19, 13759592), (22, 11883284), (28, 9336866), (38, 6879796), (44, 5941642), (49, 5335352), (56, 4668433), (76, 3439898), (77, 3395224), (88, 2970821), (98, 2667676), (133, 1965656), (152, 1719949), (154, 1697612), (196, 1333838), (209, 1250872), (266, 982828), (308, 848806), (392, 666919), (418, 625436), (532, 491414), (539, 485032), (616, 424403), (836, 312718), (931, 280808), (1064, 245707), (1078, 242516), (1463, 178696), (1672, 156359), (1862, 140404), (2156, 121258), (2926, 89348), (3191, 81928), (3724, 70202), (4312, 60629), (5852, 44674), (6382, 40964), (7448, 35101), (10241, 25528), (11704, 22337), (12764, 20482)]