644615998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 1116944640

約数和(自身を除く): 472328642

約数列:

[1, 2, 13, 26, 37, 47, 53, 74, 94, 106, 269, 481, 538, 611, 689, 962, 1222, 1378, 1739, 1961, 2491, 3478, 3497, 3922, 4982, 6994, 9953, 12643, 14257, 19906, 22607, 25286, 25493, 28514, 32383, 45214, 50986, 64766, 92167, 129389, 164359, 184334, 185341, 258778, 328718, 370682, 467791, 527509, 670079, 935582, 1055018, 1198171, 1340158, 2396342, 6081283, 6857617, 8711027, 12162566, 13715234, 17422054, 24792923, 49585846, 322307999, 644615998]

約数ペア:

[(1, 644615998), (2, 322307999), (13, 49585846), (26, 24792923), (37, 17422054), (47, 13715234), (53, 12162566), (74, 8711027), (94, 6857617), (106, 6081283), (269, 2396342), (481, 1340158), (538, 1198171), (611, 1055018), (689, 935582), (962, 670079), (1222, 527509), (1378, 467791), (1739, 370682), (1961, 328718), (2491, 258778), (3478, 185341), (3497, 184334), (3922, 164359), (4982, 129389), (6994, 92167), (9953, 64766), (12643, 50986), (14257, 45214), (19906, 32383), (22607, 28514), (25286, 25493)]