215857836

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 568049664

約数和(自身を除く): 352191828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1523, 1524, 2286, 3046, 3937, 4569, 4572, 6092, 7874, 9138, 11811, 13707, 15748, 18276, 23622, 27414, 35433, 47213, 47244, 54828, 70866, 94426, 141639, 141732, 188852, 193421, 283278, 386842, 424917, 566556, 580263, 773684, 849834, 1160526, 1699668, 1740789, 2321052, 3481578, 5996051, 6963156, 11992102, 17988153, 23984204, 35976306, 53964459, 71952612, 107928918, 215857836]

約数ペア:

[(1, 215857836), (2, 107928918), (3, 71952612), (4, 53964459), (6, 35976306), (9, 23984204), (12, 17988153), (18, 11992102), (31, 6963156), (36, 5996051), (62, 3481578), (93, 2321052), (124, 1740789), (127, 1699668), (186, 1160526), (254, 849834), (279, 773684), (372, 580263), (381, 566556), (508, 424917), (558, 386842), (762, 283278), (1116, 193421), (1143, 188852), (1523, 141732), (1524, 141639), (2286, 94426), (3046, 70866), (3937, 54828), (4569, 47244), (4572, 47213), (6092, 35433), (7874, 27414), (9138, 23622), (11811, 18276), (13707, 15748)]