1878678145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1453}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 2406777120

約数和(自身を除く): 528098975

約数列:

[1, 5, 29, 37, 145, 185, 241, 1073, 1205, 1453, 5365, 6989, 7265, 8917, 34945, 42137, 44585, 53761, 210685, 258593, 268805, 350173, 1292965, 1559069, 1750865, 7795345, 10155017, 12956401, 50775085, 64782005, 375735629, 1878678145]

約数ペア:

[(1, 1878678145), (5, 375735629), (29, 64782005), (37, 50775085), (145, 12956401), (185, 10155017), (241, 7795345), (1073, 1750865), (1205, 1559069), (1453, 1292965), (5365, 350173), (6989, 268805), (7265, 258593), (8917, 210685), (34945, 53761), (42137, 44585)]