647579214

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{22031}}^1$

素因数の和:22133

約数の個数: 48

約数和(自身を含む): 1484780544

約数和(自身を除く): 837201330

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 1278, 1633, 3266, 4899, 9798, 14697, 22031, 29394, 44062, 66093, 132186, 198279, 396558, 506713, 1013426, 1520139, 1564201, 3040278, 3128402, 4560417, 4692603, 9120834, 9385206, 14077809, 28155618, 35976623, 71953246, 107929869, 215859738, 323789607, 647579214]

約数ペア:

[(1, 647579214), (2, 323789607), (3, 215859738), (6, 107929869), (9, 71953246), (18, 35976623), (23, 28155618), (46, 14077809), (69, 9385206), (71, 9120834), (138, 4692603), (142, 4560417), (207, 3128402), (213, 3040278), (414, 1564201), (426, 1520139), (639, 1013426), (1278, 506713), (1633, 396558), (3266, 198279), (4899, 132186), (9798, 66093), (14697, 44062), (22031, 29394)]