1979520655

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 2828381760

約数和(自身を除く): 848861105

約数列:

[1, 5, 7, 31, 35, 155, 217, 229, 257, 961, 1085, 1145, 1285, 1603, 1799, 4805, 6727, 7099, 7967, 8015, 8995, 33635, 35495, 39835, 49693, 55769, 58853, 220069, 246977, 248465, 278845, 294265, 411971, 1100345, 1234885, 1540483, 1728839, 1824443, 2059855, 7702415, 8644195, 9122215, 12771101, 56557733, 63855505, 282788665, 395904131, 1979520655]

約数ペア:

[(1, 1979520655), (5, 395904131), (7, 282788665), (31, 63855505), (35, 56557733), (155, 12771101), (217, 9122215), (229, 8644195), (257, 7702415), (961, 2059855), (1085, 1824443), (1145, 1728839), (1285, 1540483), (1603, 1234885), (1799, 1100345), (4805, 411971), (6727, 294265), (7099, 278845), (7967, 248465), (8015, 246977), (8995, 220069), (33635, 58853), (35495, 55769), (39835, 49693)]