263392144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1279}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 521553920

約数和(自身を除く): 258161776

約数列:

[1, 2, 4, 8, 16, 61, 122, 211, 244, 422, 488, 844, 976, 1279, 1688, 2558, 3376, 5116, 10232, 12871, 20464, 25742, 51484, 78019, 102968, 156038, 205936, 269869, 312076, 539738, 624152, 1079476, 1248304, 2158952, 4317904, 16462009, 32924018, 65848036, 131696072, 263392144]

約数ペア:

[(1, 263392144), (2, 131696072), (4, 65848036), (8, 32924018), (16, 16462009), (61, 4317904), (122, 2158952), (211, 1248304), (244, 1079476), (422, 624152), (488, 539738), (844, 312076), (976, 269869), (1279, 205936), (1688, 156038), (2558, 102968), (3376, 78019), (5116, 51484), (10232, 25742), (12871, 20464)]