128021124

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19793}}^1$

素因数の和:19825

約数の個数: 72

約数和(自身を含む): 379094688

約数和(自身を除く): 251073564

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 19793, 39586, 59379, 79172, 118758, 138551, 217723, 237516, 277102, 415653, 435446, 554204, 653169, 831306, 870892, 969857, 1306338, 1524061, 1662612, 1939714, 2612676, 2909571, 3048122, 3879428, 4572183, 5819142, 6096244, 9144366, 10668427, 11638284, 18288732, 21336854, 32005281, 42673708, 64010562, 128021124]

約数ペア:

[(1, 128021124), (2, 64010562), (3, 42673708), (4, 32005281), (6, 21336854), (7, 18288732), (11, 11638284), (12, 10668427), (14, 9144366), (21, 6096244), (22, 5819142), (28, 4572183), (33, 3879428), (42, 3048122), (44, 2909571), (49, 2612676), (66, 1939714), (77, 1662612), (84, 1524061), (98, 1306338), (132, 969857), (147, 870892), (154, 831306), (196, 653169), (231, 554204), (294, 435446), (308, 415653), (462, 277102), (539, 237516), (588, 217723), (924, 138551), (1078, 118758), (1617, 79172), (2156, 59379), (3234, 39586), (6468, 19793)]