201519868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 393216768

約数和(自身を除く): 191696900

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 251, 257, 284, 502, 514, 781, 1004, 1028, 1562, 2761, 2827, 3124, 5522, 5654, 11044, 11308, 17821, 18247, 35642, 36494, 64507, 71284, 72988, 129014, 196031, 200717, 258028, 392062, 401434, 709577, 784124, 802868, 1419154, 2838308, 4579997, 9159994, 18319988, 50379967, 100759934, 201519868]

約数ペア:

[(1, 201519868), (2, 100759934), (4, 50379967), (11, 18319988), (22, 9159994), (44, 4579997), (71, 2838308), (142, 1419154), (251, 802868), (257, 784124), (284, 709577), (502, 401434), (514, 392062), (781, 258028), (1004, 200717), (1028, 196031), (1562, 129014), (2761, 72988), (2827, 71284), (3124, 64507), (5522, 36494), (5654, 35642), (11044, 18247), (11308, 17821)]