81708436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 157696000

約数和(自身を除く): 75987564

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 79, 124, 158, 316, 439, 589, 878, 1178, 1501, 1756, 2356, 2449, 3002, 4898, 6004, 8341, 9796, 13609, 16682, 27218, 33364, 34681, 46531, 54436, 69362, 93062, 138724, 186124, 258571, 517142, 658939, 1034284, 1075111, 1317878, 2150222, 2635756, 4300444, 20427109, 40854218, 81708436]

約数ペア:

[(1, 81708436), (2, 40854218), (4, 20427109), (19, 4300444), (31, 2635756), (38, 2150222), (62, 1317878), (76, 1075111), (79, 1034284), (124, 658939), (158, 517142), (316, 258571), (439, 186124), (589, 138724), (878, 93062), (1178, 69362), (1501, 54436), (1756, 46531), (2356, 34681), (2449, 33364), (3002, 27218), (4898, 16682), (6004, 13609), (8341, 9796)]