78584584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 162332100

約数和(自身を除く): 83747516

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 269, 424, 538, 689, 1076, 1378, 2152, 2756, 2809, 3497, 5512, 5618, 6994, 11236, 13988, 14257, 22472, 27976, 28514, 36517, 57028, 73034, 114056, 146068, 185341, 292136, 370682, 741364, 755621, 1482728, 1511242, 3022484, 6044968, 9823073, 19646146, 39292292, 78584584]

約数ペア:

[(1, 78584584), (2, 39292292), (4, 19646146), (8, 9823073), (13, 6044968), (26, 3022484), (52, 1511242), (53, 1482728), (104, 755621), (106, 741364), (212, 370682), (269, 292136), (424, 185341), (538, 146068), (689, 114056), (1076, 73034), (1378, 57028), (2152, 36517), (2756, 28514), (2809, 27976), (3497, 22472), (5512, 14257), (5618, 13988), (6994, 11236)]